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III/198 Palomar/MSU nearby star spectroscopic survey (Hawley+ 1997)
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The Palomar/MSU nearby star spectroscopic survey.
I. The northern M dwarfs-band strengths and kinematics.
Reid I.N., Hawley S.L., Gizis J.E.
<Astron. J. 110, 1838 (1995) ; Erratum Vol. 111, 2469 (1996)>
=1995AJ....110.1838R
II. The southern M dwarfs and investigations of magnetic activity.
Hawley S.L., Gizis J.E., Reid I.N.
<Astron. J. 112, 2799 (1996) ; Erratum Vol. 113, 1458 (1997)>
=1996AJ....112.2799H
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ADC_Keywords: Stars, nearby ; Stars, M-type ; Spectroscopy ; Space velocities ;
Stars, distances
Description:
The Third Catalogue of Nearby Stars (Gliese & Jahreiss, "Preliminary
Version of the third Catalogue of Nearby Stars" (CNS3), 1991, catalog
<V/70>) includes over 1850 stars which lie north of Dec.= -30{deg} and
are either identified as spectral type M, or are unclassified but with
an absolute visual magnitude estimate M_V_ > +8.0. Although there is
no uniformity in selection criteria, and many of the stars lack basic
data (radial velocities, spectral types, accurate photometry), the
observational properties of these stars underlie most estimates of the
fundamental characteristics of the Galactic Disk. We have obtained
optical spectroscopy of 1746 of the 1876 stars -- the remaining 130
are binary companions of brighter stars and inaccessible to our
observations. These spectra allow us, first, to exclude 61 stars as
either degenerates or as misclassified earlier-type (B-K) stars lying
beyond the 25 pc limit; to establish radial velocities accurate to
+/-10km/s for all stars confirmed as late-type dwarfs; to determine
spectral types and absolute magnitudes from the TiO bandstrength,
allowing more accurate distance estimates for stars with inaccurate
(or no) trigonometric parallax measurements; and to identify stars
with H{alpha} emission (chromospherically active stars) and with
strong CaH absorption (perhaps including some metal-poor disk
subdwarfs). We have determined the nearby-star luminosity function
from complete samples derived by applying both the distance limits
defined by Wielen (1974, Highlights of Astron. 3, 395) and by using
limits derived from our own analysis. Spectroscopic data for the
southern stars (Dec.<-30{deg}) in the PMSU survey are also presented.
The data were combined with the data from paper I to obtain a list of
all the magnetically active dMe stars in the survey.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
main.dat 80 1971 Basic data (tables 1a of both papers, and table 1d
from paper I for Star numbers 3804-3810)
binary.dat 70 142 Inaccessible binary companions (tables 1b)
notobs.dat 55 21 Stars not observed (table 1d, paper II)
early.dat 74 98 Early-type stars, giants and degenerates (tables 1c)
spectro.dat 57 2008 Bandstrengths (table 3 of paper I and
table 2 of paper II)
vel.dat 51 1970 Radial velocities and space motions
(table 5 of paper I and table 3 of paper II)
dmestar.dat 83 321 Photometric and spectroscopic data for dMe stars
(table 4a of paper II)
hyades.dat 68 25 Photometric and spectroscopic data for
Hyades stars (table 4b of paper II)
ic2602.dat 68 26 Photometric and spectroscopic data for
IC 2602 stars (table 4c of paper II)
paper1.tex 126 5592 Tables from paper I, latex
paper2.tex 156 1525 Tables from paper II, latex
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See also:
V/70 : CNS3 (Nearby Stars, Preliminary 3rd Version; Gliese+ 1991)
Byte-by-byte Description of file: main.dat
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Bytes Format Units Label Explanations
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1 A1 --- Sample [ns] n=North (paper I), s=South (paper II)
2- 5 I4 --- CNS3 [1/3810]+= Star number (row in CNS3) (8)
7- 19 A13 --- Name Star name (1)
22- 23 A2 --- Note1 [abc eghijk] Individual Note (2)
25 A1 --- Bin [ps] Primary or secondary binary comp. (3)
27- 28 I2 h RAh Right ascension, 2000
30- 31 I2 min RAm Right ascension, 2000
33- 36 F4.1 s RAs Right ascension, 2000
38 A1 --- DE- Declination sign
39- 40 I2 deg DEd Declination, 2000
42- 43 I2 arcmin DEm Declination, 2000
45- 46 I2 arcsec DEs Declination, 2000
48 I1 --- Src [0/4] Source of positional data (4)
50- 54 F5.2 mag VMag Absolute V magnitude
55 A1 --- n_VMag [ab] Note about ptg/ptm origin of VMag (5)
56- 60 F5.1 pc r Distance (6)
62- 63 I2 % e_r Distance uncertainty (6)
64 A1 --- Dist [CSp ] Origin of r & M_V (9)
65- 67 I3 % wPi ? Weight for trigonometric parallax
69- 71 I3 % wSp ? Weight for spectroscopic parallax
73- 74 A2 --- n_Sp Limit sign (<>) on Sp, or sd luminosity class
75- 79 A5 --- Sp Spectral type
80 A1 --- Note3 [cdfk] Note about the spectrum (7)
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Note (1):
Gl - Gliese (1969, Veroff. Astr. Rechen-Instituts, Heidelberg, Nr. 22)
GJ - Gliese & Jahreiss =1979A&AS...38..423G
Wo - Woolley et al (1970, R. Obs. Ann., No. 5) =Cat. <V/32>
LHS - Luyten Half-Second Catalogue =Cat. <I/87>
LTT - Luyten Two-Tenths Catalogue
LP - Luyten Palomar proper-motion catalogue
G - Giclas et al (1971, Lowell Proper Motion Survey) =Cat. <I/79>
GR - Giclas et al (1971) red star (see =1980LowOB...8..157G)
GH - Giclas et al (1971) Hyades star (see =1962LowOB...5..257G)
(Nomenclature note: should be named "HG")
Rob - Robertson (should be named RBTS) =1984AJ.....89.1229R
Steph - Stephenson (1986, AJ, 91, 137) =Cat. <III/123>
(Nomenclature note: should be named "StKM")
PS - Pesch & Sanduleak =1978AJ.....83.1090P
San - Sanduleak =1976AJ.....81..350S
vA - van Altena =1969AJ.....74....2V
V - Vyssotsky (1963, Stars and Stellar Systems III, Basic Astronomical Data,
edited by K. Aa Strand; University of Chicago Press, Chicago; p. 192)
(Nomemclature Note: should be named MCC =Cat. <III/13>)
Note (2): a Low quality trigonometric parallax
b Poor photometry
c Accurate parallax and good photometry. Both components of Gl 799
lie above the main-sequence.
e 629 (Hy 207) appears twice in the preliminary version of the CNS3
g 2172: This star is not listed as double in the LHS
h 2426 (GJ 2112 A): Eggen (1980ApJS...43..457E) notes that this
star appears to be a double in good seeing, but there are no
confirming observations.
i 2805 (GSC036B-821) is listed in the CNS3 as a companion of V796,
but the authors find that the radial velocity differs by 50km/s
j star from Brosch & Goldberg (1994MNRAS.268L..27B)
k star from Irwin et al. (1991MNRAS.252p..61I)
Note (3): Components in a binary system are identified as
p (primary) or s (secondary, tertiary).
Note (4): Source of positional data:
0- P60
1- P200, Keck
2- GSC
3- CNS3
4- Digital Sky Survey
Since completing the text of this paper, the authors used the
on-line Digital Sky Survey to check all stars where the positions
differ by more than 15 arcseconds from the CNS3 data. They
assumed mean epochs of 1954.0 and 1980.0 for POSS I and UKST
plates in deriving positions from the DSS.
Note (5): a: CNS3 lists a photographic magnitude - the authors assumed an
(m(pg)-V) colour of 1.5 magnitudes
b: CNS3 lists a `photometric' magnitude for this star
Note (6): Distance and estimated uncertainty (%) from the authors' data,
using a weighted combination of trigonometric and spectroscopic
parallaxes.
Note (7): c: Spectral type from Kirkpatrick et al (1995AJ....109..797K)
d: Strong CaH - probable metal-poor disk dwarf or halo subdwarf
f: 1752: Leggett & Hawkins (1988MNRAS.234.1065L) suggest, on
the basis of JHK colours, that this star might be a giant, but
our spectra are consistent with classification as a dwarf. Note
that the V magnitude listed by LH88 is 8.07, while the CNS3
magnitude is 11.4 (photometric estimate). The authors observed
a star of the latter magnitude. There is a nearby 8th magnitude
SAO star (SAO 7382) - listed as K5, luminosity class unknown but
mu~0arcsec/yr which Leggett & Hawkins may have observed by
mistake.
k: Spectral type from Kirkpatrick et al. (1995AJ....109..797K)
Note (8): Numbers 3804 to 3810 are the additional stars from
table 1d in paper I.
Note (9): Origin of distance and absolute magnitude:
C: distance and absolute magnitude from CNS3
S: distance estimate is based on the authors' spectroscopic data
p: Distance estimate is based on trigonometric parallax
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Byte-by-byte Description of file: binary.dat
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Bytes Format Units Label Explanations
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1 A1 --- Sample [ns] n=North (paper I), s=South (paper II)
2- 5 I4 --- CNS3 [1/3803]+= Star number (row number in CNS3)
7- 16 A10 --- Name Star name, references same as main.dat
18 A1 --- Note1 [cdef] Individual Note (1)
20- 21 I2 h RAh Right ascension, 2000
23- 24 I2 min RAm Right ascension, 2000
26- 29 F4.1 s RAs Right ascension, 2000
31 A1 --- DE- Declination sign
32- 33 I2 deg DEd Declination, 2000
35- 36 I2 arcmin DEm Declination, 2000
38- 39 I2 arcsec DEs Declination, 2000
41 I1 --- Src [0/4] Source of position, as in main.dat
43- 46 F4.1 mag VMag Absolute V magnitude (2)
47 A1 --- n_VMag [ab] ptg/ptm VMag estimate (3)
49- 52 F4.1 pc r Distance (4)
54- 55 I2 % e_r Distance uncertainty (4)
57- 60 F4.1 mag Vmag1 Magnitude of primary star in the system
62- 65 F4.1 mag dV Magnitude difference
66 A1 --- l_dP [~] Limit flag on dP
67- 70 F4.1 arcsec dP Separation
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Note (1): c: Gl 452B (1863) is listed as an f-type companion to Gl 452A, 7.5
magnitudes fainter and ~15 arcseconds distant. We were unable to
locate this star on the TV guider (r_lim_ ~21) of the Keck
telescope.
d: The companion to LHS 2789 (2172) is listed in the LTT, but not in
the LHS and may not exist
e: Known VLM companion - Forrest et al., (1988ApJ...330L.119F)
f: Eggen (1980ApJS...43..457E) noted that the primary star appeared
double in good seeing, but there is no strong evidence for a
binary companion.
Note (2): Absolute magnitudes have been calculated using the magnitudes listed
in the CNS3 and the distance estimate to the primary star
(either from CNS3 or main file)
Note (3): a: CNS3 lists a photographic magnitude
b: CNS3 lists a 'photometric' magnitude estimate
Note (4): Distance and estimated uncertainty (%) from the authors' data,
using a weighted combination of trigonometric and spectroscopic
parallaxes.
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Byte-by-byte Description of file: early.dat
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Bytes Format Units Label Explanations
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1 A1 --- Sample [ns] n=North (paper I), s=South (paper II)
2- 5 I4 --- CNS3 [1/3803]+ Star number (row number in CNS3)
7- 20 A14 --- Name Star name, references same as main.dat
21 A1 --- Note1 [e] Possible error flag (4)
22 A1 --- Bin [ps] Primary or secondary binary comp. (1)
24- 25 I2 h RAh Right ascension, 2000
27- 28 I2 min RAm Right ascension, 2000
30- 33 F4.1 s RAs Right ascension, 2000
35 A1 --- DE- Declination sign
36- 37 I2 deg DEd Declination, 2000
39- 40 I2 arcmin DEm Declination, 2000
42- 43 I2 arcsec DEs Declination, 2000
45 I1 --- Src [0/4] Source of position, as in main.dat
47- 51 F5.2 mag Vmag V magnitude from the CNS3
53- 57 F5.2 mag VMag Absolute V magnitude (2)
58- 60 A3 --- Note2 [abcd fg] Note about distance (4)
62- 65 I4 pc r Distance
67- 73 A7 --- Sp Spectral type
74 A1 --- Note3 [def] Individual Notes (5)
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Note (1): Components in a binary system are identified as
p (primary) or s (secondary, tertiary).
Note (2): In North: Absolute magnitudes are derived using Reid & Murray's
(1992AJ....103..514R) (M_V, (B-V)) relation unless
otherwise indicated.
In South: Absolute magnitudes are derived from (B-V) colours
listed in the CNS3 unless otherwise indicated.
Note (4): a: distance estimated from spectral type;
b: distance estimated based on companion star;
c: spectral types suggest that these stars are not associated
with the nominal primary star.
d: distance from CNS3
e: listed in the LHS as proper motion companion to LHS 2405
(<I/87> main file) - it is possible that we have observed
the wrong star
f: FS Comae - distance based on Jura & Kleinmann's
(1992ApJS...83..329J) M_K
g: distance from McCook & Sion (1987ApJS...65..603M) (M_V, B-V)
relations
Note (5): d: 757: foreground reddening probably present
e: Gl 288B is the well-known low-luminosity white dwarf,
van Biesbroeck 3
f: Gl 432B is the well-known low-luminosity white dwarf,
van Biesbroeck 4
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Byte-by-byte Description of file: notobs.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- CNS3 [1/3803] Star number (row number in CNS3)
6- 14 A9 --- Name Star name
16 A1 --- Note1 Note flag (1)
18 A1 --- Bin [ps] Primary or secondary binary component
20- 21 I2 h RAh Right ascension, 2000
23- 24 I2 min RAm Right ascension, 2000
26- 29 F4.1 s RAs Right ascension, 2000
31 A1 --- DE- Declination sign
32- 33 I2 deg DEd Declination, 2000
35- 36 I2 arcmin DEm Declination, 2000
38- 39 I2 arcsec DEs Declination, 2000
41 I1 --- Src [0/4] Source of position, as in main.dat
43- 47 F5.2 mag VMag Absolute V magnitude
49- 52 F4.1 pc r Distance
54- 55 I2 % e_r Distance uncertainty
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Note (1): a: Gl 127.1B probably does not exist. Gliese (1969, Veroff. Astr.
Rechen-Instituts, Heidelberg, Nr. 22) lists a 'red companion at 8
arcseconds', but no companion brighter than R~17 was visible with
the LCO Du Pont telescope. Bessell (1990A&AS...83..357B) lists
colours of (B-V)=0.615, (V-I)=0.70, suggesting either a white
dwarf companion or observations of a background star.
b: Our spectrum indicates that this star is an M-dwarf, but the
6th magnitude primary, CP-73 2192, at 8 arcseconds distance
prevents accurate bandstrength measurements.
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Byte-by-byte Description of file: spectro.dat
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Bytes Format Units Label Explanations
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1 A1 --- Sample [ns] n=North (paper I), s=South (paper II)
2- 5 I4 --- CNS3 [1/3810]+= Star number (row number in CNS3)
6 A1 --- m_CNS3 Multiplicity index on star
8- 11 F4.2 --- TiO1 ? TiO1 index: F(6718-6723)/F(6703-6708)
13- 16 F4.2 --- TiO2 ? TiO2 index: F(7058-7061)/F(7043-7046)
18- 21 F4.2 --- TiO3 ? TiO3 index: F(7092-7097)/F(7079-7084)
23- 26 F4.2 --- TiO4 ? TiO4 index: F(7130-7135)/F(7115-7120)
28- 31 F4.2 --- TiO5 ? TiO5 index: F(7126-7135)/F(7042-7046)
33- 36 F4.2 --- CaH1 ? CaH1 index: F(6380-6390)/F
(6345-6355,6410-6420))
38- 41 F4.2 --- CaH2 ? CaH2 index: F(6814-6846)/F(7042-7046)
43- 46 F4.2 --- CaH3 ? CaH3 index: F(6960-6990)/F(7042-7046)
48- 51 F4.2 --- CaOH ? CaOH index: F(6230-6240)/F(6345-6354)
53- 57 F5.2 --- Halpha ? H-alpha index: F(6560-6566)/F(6545-6555)
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Byte-by-byte Description of file: vel.dat
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Bytes Format Units Label Explanations
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1 A1 --- Sample [ns] n=North (paper I), s=South (paper II)
2- 5 I4 --- CNS3 [1/3810]+= Star number (row number in CNS3)
6 A1 --- m_CNS3 Multiplicity index on star
8- 13 F6.3 arcsec/yr pmRA ? Proper motion in right ascension,
from CNS3
15- 20 F6.3 arcsec/yr pmDE ? Proper motion in declination, from CNS3
22- 28 F7.1 km/s RV Radial velocity
30 A1 --- Note [*] If no proper motions are available
31- 35 I5 km/s U ? U space velocity
37- 40 I4 km/s V ? V space velocity
42- 45 I4 km/s W ? W space velocity
47- 51 F5.2 mag VMag Absolute V magnitude (from main.dat)
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Byte-by-byte Description of file: dmestar.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- CNS3 [1/3803]+ Star number
(row number in CNS3)
6- 10 F5.2 --- Halp ? H-alpha index:
F(6560-6566)/F(6545-6555)
12- 15 F4.2 --- TiO2 ? TiO2 index:
F(7058-7061)/F(7043-7046)
17- 20 F4.2 --- TiO4 ? TiO4 index:
F(7130-7135)/F(7115-7120)
22- 25 F4.2 --- TiO5 ? TiO5 index:
F(7126-7135)/F(7042-7046)
27- 30 F4.1 --- Sp Spectral type
32- 36 F5.2 mag Mv Absolute V magnitude
38- 42 F5.2 mag Vmag V magnitude
44- 47 F4.2 mag R-I ? R-I colour index
49- 52 F4.2 mag V-I ? V-I colour index
54 I1 --- r_VRI ? Reference for VRI photometry
56- 59 F4.2 mag V-K ? V-K colour index
61- 65 F5.2 10-13mW/m2 S(Hb) ? H{beta} flux
67- 71 F5.2 --- S(Ha)/S(Hb) ? H{alpha} versus H{beta} flux
ratio
73- 77 F5.2 --- log(L(Ha)/Lbol) ? H{alpha} vs. bolometric
luminosity ratio
79- 83 F5.2 mag Mbol ? Bolometric magnitude
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Byte-by-byte Description of file: hyades.dat, ic2602.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- CNS3 [1/3803]+ Star number
(row number in CNS3)
6- 10 F5.2 --- Halp ? H-alpha index:
F(6560-6566)/F(6545-6555)
12- 16 F5.3 --- TiO2 ? TiO2 index: F(7058-7061)/F(7043-7046)
18- 22 F5.3 --- TiO4 ? TiO4 index: F(7130-7135)/F(7115-7120)
24- 28 F5.3 --- TiO5 ? TiO5 index: F(7126-7135)/F(7042-7046)
30- 33 F4.1 --- Sp Spectral type
35- 39 F5.2 mag Mv Absolute V magnitude
41- 45 F5.2 mag Vmag V magnitude
47- 50 F4.2 mag V-I ? V-I colour index
52- 56 F5.2 --- log(L(Ha)/Lbol) ? H{alpha} versus bolometric
luminosity ratio
58- 62 F5.2 --- log(LX/Lbol) ? X-ray versus bolometric luminosity
ratio
64- 68 F5.2 mag Mbol ? Bolometric magnitude
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Acknowledgements:
It is a pleasure to thank Suzanne Hawley <slh@pillan.pa.msu.edu>,
who kindly provided a latex version of the tables.
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(End) Francois Ochsenbein [CDS] 14-May-1997