20018+2716 A 277
20h 01m 49.05s +27° 15' 41.8" P.A. 340.00 sep 4.3 mag 9.15,13.10 Sp A0
| Coord 2000 |
20018+2716 |
|
Discov num |
A 277 |
|
Comp |
|
|
Coord arcsec 2000 |
20 01 49.05 +27 15 41.8 |
|
| Date first |
1901 |
|
Date last |
2016 |
|
Obs |
7 |
|
| Pa first |
339 |
|
Pa last |
340 |
|
P.A. Now (θ) |
340° |
|
| Sep first |
3.8 |
|
Sep last |
4.26 |
|
Sep. Now (ρ) |
4.26" |
|
| Mag pri |
9.15 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
3.95 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-018 |
|
Sec motion ra |
|
|
| Pri motion dec |
+023 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
SAO |
88092 |
|
Tycho2 |
2149-00282-1 |
|
Gaia DR2 |
2027379702249832704 |
|
| HD |
339354 |
|
