18411+4416 HDS 2647 (HD 172976)
18h 41m 03.49s +44° 16' 16.0" P.A. 279.00 sep 0.1 mag 7.58,9.41 Sp F0III dist. 198.81 pc (648.52 l.y.)
| Coord 2000 |
18411+4416 |
|
Discov num |
HDS2647 |
|
Comp |
|
|
Coord arcsec 2000 |
18 41 03.49 +44 16 16.0 |
|
| Date first |
1991 |
|
Date last |
2009 |
|
Obs |
5 |
|
| Pa first |
288 |
|
Pa last |
279.1 |
|
P.A. Now (θ) |
279.1° |
|
| Sep first |
0.2 |
|
Sep last |
0.143 |
|
Sep. Now (ρ) |
0.143" |
|
| Mag pri |
7.58 |
|
Mag sec |
9.41 |
|
delta mag (ΔM) |
1.83 |
|
Spectral class |
F0III (yellow-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
+000 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 172976 |
|
Constellation |
Lyra |
|
SAO |
47702 |
|
HIP |
91615 |
|
| Tycho2 |
3130-00268-1 |
|
Gaia DR2 |
2117536735129142016 |
|
HD |
172976 |
|
BD |
BD+44 2963 |
|
| Distance |
198.81 |
|
Distance ly |
648.52 |
|
