15530+1547 HEI 239
15h 52m 58.00s +15° 47' 33.6" P.A. 307.00 sep 1.0 mag 11.10,11.40
Coord 2000 |
15530+1547 |
|
Discov num |
HEI 239 |
|
Comp |
|
|
Coord arcsec 2000 |
15 52 58.00 +15 47 33.6 |
|
Date first |
1982 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
313 |
|
Pa last |
306.6 |
|
P.A. Now (θ) |
306.6° |
|
Sep first |
0.8 |
|
Sep last |
0.978 |
|
Sep. Now (ρ) |
0.978" |
|
Mag pri |
11.10 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
Pri motion ra |
-021 |
|
Sec motion ra |
|
|
Pri motion dec |
+001 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Serpens |
|
Tycho2 |
1496-01915-1 |
|
Gaia DR2 |
1193258948396225664 |
|