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	j Aql, NSV 24940, 61 Aql, HR 7610, HD 188728, SAO 105438, BD +11 4055, FK5: 3590
constellation	Aquila

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

position, motion, parallax:

position (J2000)	RA: 19h 56min 14.3sec	DEC: +11° 25' 26''
position (B1900)	RA: 19h 51min 30.1sec	DEC: +11° 9' 29''
proper motion (J2000)	RA: 0.034 arcsec/a	DEC: 0.009 arcsec/a
radial velocity	-27 km/s note: spectroscopic binaries, single lined spectra note: orbital data avaible
rotational velocity	26 km/s (uncertain) (variable)
trigonometric parallax	0.023 arcsec
galactic coordinates	longitude: 50.66°	latitude: -8.8°

magnitude

visual magnitude

5.28 (V on UBV Johnson system)

spectral / color information

spectral class	A1IV
B-V-magnitude	-0.01
U-B-magnitude	-0.08

double/multiple star system information

note (category: spectroscopic binaries):

3.3207d, K 37.2k/s, V0 -28.0k/s, asini 1.70.

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

position, motion, parallax:

position (J2000)	RA: 19h 56min 14.285sec	DEC: +11° 25' 25''	±0.43 arcsec	source: 16
proper motion (J2000)	RA: 0.0027 arcsec/a	DEC: -0.005 arcsec/a		source: 25
radial velocity	-27 km/s			source: 25
trigonometric parallax	0.023 arcsec		±0.002 arcsec	source: 25
galactic coord. (B1950)	longitude: 50.67°	latitude: -8.8°

magnitude:

visual	5.28 (observed)	source: 25
photovisual	5.3	source: 2
photographic	5.2	source: 16

spectral information:

spectral class	A2		source: 96
Morgan-Keenan	A1IV		source: 25
B-magnitude	5.27 ±0.05	B-V-magnitude	-0.01
U-magnitude	5.19 ±0.05	U-B-magnitude	-0.08

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
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: 19h 53min 52.111sec	DEC: +11° 17' 22.88''	±0.013 arcsec
position (J2000)	RA: 19h 56min 14.24sec	DEC: +11° 25' 25.48''
proper motion B1950 (FK4)	RA: 0.0021 arcsec/a	DEC: 0.009 arcsec/a	±0.003 arcsec/a in RA ±0.003 arcsec/a in DEC
proper motion J2000 (FK5)	RA: 0.0022 arcsec/a	DEC: 0.007 arcsec/a
source of proper motion data	Determined by source catalog

magnitude:

visual	5.3 (accuracy: 2 decimals)
source of visual magnitude data	Taken from Harvard or San Luis photometry.

spectral information:

spectral class	A2
source of spectral data	Taken from the Henry Draper Catalogue or no spectrum in source catalog.

catalogues

source catalogue	GC, catalogue number: 27604
Durchmusterung	BD+11 4055
Boss General Catalogue	27604
Henry Draper Catalogue	188728