17231+1454 BU 1284 (HD 157494)
17h 23m 04.99s +14° 53' 55.4" P.A. 166.00 sep 1.9 mag 8.94,11.90 Sp A2
| Coord 2000 |
17231+1454 |
|
Discov num |
BU 1284 |
|
Comp |
|
|
Coord arcsec 2000 |
17 23 04.99 +14 53 55.4 |
|
| Date first |
1899 |
|
Date last |
1964 |
|
Obs |
12 |
|
| Pa first |
180 |
|
Pa last |
166.4 |
|
P.A. Now (θ) |
166.4° |
|
| Sep first |
1.2 |
|
Sep last |
1.93 |
|
Sep. Now (ρ) |
1.93" |
|
| Mag pri |
8.94 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
2.96 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+015 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 157494 |
|
Constellation |
Hercules |
|
SAO |
102784 |
|
Tycho2 |
1003-00015-1 |
|
| Gaia DR2 |
4543283308415682048 |
|
HD |
157494 |
|
ADS |
10511 |
|
