l Arae
| catalogues and names |
| The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) |
| SKY2000 - Master Star Catalog |
| Smithsonian Astrophysical Observatory Star Catalog |
catalogues and names
| catalogues and names | l Ara, NSV 23218, HR 6569, HD 160032, SAO 228257, CD -49 11616 |
| constellation | Ara |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 17h 40min 23.6sec | DEC: -49° 24' 56'' | ||
| position (B1900) | RA: 17h 32min 40.3sec | DEC: -49° 21' 13'' | ||
| proper motion (J2000) | RA: 0.078 arcsec/a | DEC: -0.176 arcsec/a | ||
| radial velocity | 4 km/s | |||
| rotational velocity | 0 km/s (uncertain) (variable) | |||
| trigonometric parallax | 0.044 arcsec | |||
| galactic coordinates | longitude: 341.89° | latitude: -9.77° | ||
magnitude
| visual magnitude | 4.77 (V on UBV Johnson system) |
spectral / color information
| spectral class | F3IV |
| B-V-magnitude | 0.4 |
| U-B-magnitude | -0.04 |
| R-I-magnitude |
variability information
| variable star identification | Var? |
| note (category: variability): | Delta Sct? |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 17h 40min 23.896sec | DEC: -49° 24' 56.15'' | ±0.19 arcsec | source: 16 |
| proper motion (J2000) | RA: 0.0121 arcsec/a | DEC: -0.179 arcsec/a | source: 25 | |
| radial velocity | 4 km/s | source: 25 | ||
| trigonometric parallax | 0.044 arcsec | ±0.004 arcsec | source: 25 | |
| galactic coord. (B1950) | longitude: 341.89° | latitude: -9.77° | ||
magnitude:
| visual | 4.77 (observed) | source: 25 |
| photovisual | 4.8 | source: 16 |
spectral information:
| spectral class | F5 | source: 96 | |
| Morgan-Keenan | F3IV | source: 25 | |
| B-magnitude | 5.17 ±0.05 | B-V-magnitude | 0.4 |
| U-magnitude | 5.13 ±0.05 | U-B-magnitude | -0.04 |
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 (B1950) | RA: 17h 36min 31.762sec | DEC: -49° 23' 12.97'' | ±0.028 arcsec |
| position (J2000) | RA: 17h 40min 23.569sec | DEC: -49° 24' 55.89'' | |
| proper motion B1950 (FK4) | RA: 0.0081 arcsec/a | DEC: -0.175 arcsec/a | ±0.007 arcsec/a in RA ±0.005 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.008 arcsec/a | DEC: -0.176 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 4.8 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | F5 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 23918 |
| Durchmusterung | CD-4911616 |
| Boss General Catalogue | 23918 |
| Henry Draper Catalogue | 160032 |