21039+1844 BRT 2489 (HD 200617)
21h 03m 56.15s +18° 44' 06.0" P.A. 246.00 sep 5.4 mag 8.03,12.16 Sp K0 dist. 250.63 pc (817.56 l.y.)
| Coord 2000 |
21039+1844 |
|
Discov num |
BRT2489 |
|
Comp |
|
|
Coord arcsec 2000 |
21 03 56.15 +18 44 06.0 |
|
| Date first |
1904 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
251 |
|
Pa last |
245.7 |
|
P.A. Now (θ) |
245.7° |
|
| Sep first |
4.2 |
|
Sep last |
5.361 |
|
Sep. Now (ρ) |
5.361" |
|
| Mag pri |
8.03 |
|
Mag sec |
12.16 |
|
delta mag (ΔM) |
4.13 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-015 |
|
Sec motion dec |
-020 |
|
| Notes |
|
|
rPM=0.35
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 200617 |
|
Constellation |
Delphinus |
|
SAO |
106810 |
|
HIP |
103970 |
|
| Tycho2 |
1652-00756-1 |
|
Gaia DR2 |
1789131612846539648 |
|
HD |
200617 |
|
BD |
BD+18 4687 |
|
| Distance |
250.63 |
|
Distance ly |
817.56 |
|
