NSV 01975
catalogues and names
| catalogues and names | NSV 01975, HR 1803, HD 35588, SAO 112752, BD +0 1056 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 5h 25min 47sec | DEC: +0° 31' 15'' | ||
| position (B1900) | RA: 5h 20min 38.5sec | DEC: +0° 25' 52'' | ||
| proper motion (J2000) | RA: -0.005 arcsec/a | DEC: 0.019 arcsec/a | ||
| radial velocity | -24 km/s note: spectroscopic binaries note: orbital data avaible |
|||
| rotational velocity | 150 km/s (uncertain) (variable) | |||
| galactic coordinates | longitude: 202.31° | latitude: -18.71° | ||
magnitude
| visual magnitude | 6.16 (V on UBV Johnson system) |
spectral / color information
| spectral class | B2.5V |
| B-V-magnitude | -0.18 |
| U-B-magnitude | -0.75 |
| R-I-magnitude |
variability information
| variable star identification | 1975 |
double/multiple star system information
| note (category: spectroscopic binaries): | 2.8884d, K 71.2k/s, V0 +16.8k/s, asini 2.81. |
miscellaneous information
| note (category: group membership): | Ori OB1a. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 5h 25min 46.992sec | DEC: +0° 31' 12.83'' | ±0.2 arcsec | source: 52 |
| proper motion (J2000) | RA: -0.0002 arcsec/a | DEC: 0.001 arcsec/a | source: 25 | |
| radial velocity | -24 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 202.32° | latitude: -18.71° | ||
magnitude:
| visual | 6.16 (observed) | source: 25 |
| photovisual | 6 | source: 2 |
| photographic | 5.8 | source: 16 |
spectral information:
| spectral class | B3 | source: 96 | |
| Morgan-Keenan | B2.5V | source: 25 | |
| B-magnitude | 5.98 ±0.05 | B-V-magnitude | -0.18 |
| U-magnitude | 5.23 ±0.05 | U-B-magnitude | -0.75 |
sources:
| 2 | HD and HDE Catalogs |
| Cannon, A.J., and E.C. Pickering, Harvard Annals, Vols 91-99, 1918-24, Cambridge, Massachusetts: Harvard University; Cannon, A.J., Harvard Annals, Vol. 100, 1925-36, Cambridge, Massachusetts: Harvard University; and Cannon, A.J., and M. Walton Mayall, Harvard Annals, Vol. 112, 1949, Cambridge, Massachusetts: Harvard University | |
| 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 | |
| 52 | PPMN-HP subset |
| PPMN Star Catalogue (Reference 16) High-Precision Subset (Code H) | |
| 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 (B1950) | RA: 5h 23min 12.654sec | DEC: +0° 28' 39.1'' | ±0.041 arcsec |
| position (J2000) | RA: 5h 25min 46.955sec | DEC: +0° 31' 14.71'' | |
| proper motion B1950 (FK4) | RA: -0.0006 arcsec/a | DEC: 0.02 arcsec/a | ±0.009 arcsec/a in RA ±0.007 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: -0.0003 arcsec/a | DEC: 0.019 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 6 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | B3 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 6685 |
| Durchmusterung | BD+00 1056 |
| Boss General Catalogue | 6685 |
| Henry Draper Catalogue | 35588 |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
| position (equinox 1950.0) | RA: 5h 23min 12.7sec | DEC: +0° 28' 39'' |
variability informations:
| magnitute at max. brightness | 6.14 |
| magnitute at min. brightness | 6.17 |
| photometric system | visual, photovisual or Johnson's V |
spectral information
| spectral class | B3 |
references
| to a study | 290477D (designation: ZI 376) |
miscanellous
| There are notes in the published catalog (Kukarkin et al.(1982)). |