p1Hydri


The object was found in the following catalogues:
  1. The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version)

  2. SKY2000 - Master Star Catalog

  3. Smithsonian Astrophysical Observatory Star Catalog

  4. Combined General Catalogue of Variable Stars (suspected variables)


catalogues and names p1Hyi, NSV 00767, HR 667, HD 14141, SAO 248518
constellation Hydrus

data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)


position, motion, parallax:

position (J2000) RA: 2h 14min 14,7sec DEC: -67 50' 30''
position (J1900) RA: 2h 12min 9sec DEC: -68 18' 30''
proper motion (J2000) RA: 0,037 arcsec/a DEC: 0,037 arcsec/a
radial velocity 26 km/s
trigonometric parallax 0,013 arcsec

magnitude

visual magnitude 5,55
(V on UBV Johnson system)

spectral / color information

spectral class M1III
B-V-magnitude 1,55
U-B-magnitude 1,85

variability information

variable star identification 767
note (category: variability): 5.52 - 5.58V.

data from SKY2000 - Master Star Catalog (Myers+ 1997)

position, motion, parallax:

position (J2000) RA: 2h 14min 14,604sec DEC: -67 50' 29,02'' 0,19 arcsec source: 16
proper motion (J2000) RA: 0,0063 arcsec/a DEC: 0,048 arcsec/a source: 25
radial velocity 26 km/s source: 25
trigonometric parallax 0,013 0,001 arcsec source: 25
galactic coord. (B1950) longitude: 291,57 latitude: -47,42
GCI unit vector (J2000) X: 0,314297 Y: 0,208509 Z: -0,926143

magnitude:

visual 5,55 (observed) source: 25
photovisual 5,5 source: 16

spectral information:

spectral class M0 source: 96
Morgan-Keenan M1-III source: 25
B-magnitude 7,1 0,05 B-V-magnitude 1,55
U-magnitude 8,95 0,05 U-B-magnitude 1,85

variability information:

source of data: 28
variability type 9
var. amplitude 0,05

sources:

16 PPM North and PPM South Catalogs and PPM Supplement
Roser, S., and U. Bastian, "Catalogue of Positions and Proper Motions," A&AS, Vol. 74, p. 449, 1988, and Bastian, U., et al., "Catalogue of Positions and Proper Motions - South," 1993
25 Bright Star Catalogue, 5th edition
Hoffleit, D. and Warren, W.H. Jr., The Bright Star Catalogue, 5th Revised Edition, Version 2, 1994
96 SAO or HD/HDE Catalog
Reference from Value 1 or Reference from Value 2

data from Smithsonian Astrophysical Observatory Star Catalog (SAO Staff 1966; USNO, ADC 1990)

position and proper motion:

position (J1950) RA: 2h 13min 11,635sec DEC: -68 4' 28,8'' 0,028 arcsec
position (J2000) RA: 2h 14min 14,745sec DEC: -67 50' 30,15''
proper motion J1950 (FK4) RA: 0,0074 arcsec/a DEC: 0,04 arcsec/a 0,007 arcsec/a in RA
0,005 arcsec/a in DEC
proper motion J2000 (FK5) RA: 0,0065 arcsec/a DEC: 0,037 arcsec/a
source of proper motion data Determined by source catalog

magnitude:

visual 5,4 (accuracy: 2 decimals)
source of visual magnitude data Taken from Harvard or San Luis photometry.

spectral information:

spectral class M0
source of spectral data Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue GC, catalogue number: 2715
Durchmusterung CP-68 126
Boss General Catalogue 2715
Henry Draper Catalogue 14141

data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)

position:

position (J1950) RA: 2h 13min 11,6sec DEC: -68 4' 28''

variability informations:

magnitute at max. brightness 5,52
magnitute at min. brightness 5,58
photometric system visual, photovisual or Johnson's V

spectral information

spectral class M1

references

to a study 600936D (designation: HR 667)