18535+1619 HEI 263 (HD 229917)
18h 53m 27.94s +16° 19' 44.1" P.A. 353.00 sep 6.3 mag 10.61,11.20 Sp G2:
Coord 2000 |
18535+1619 |
|
Discov num |
HEI 263 |
|
Comp |
|
|
Coord arcsec 2000 |
18 53 27.94 +16 19 44.1 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
358 |
|
Pa last |
352.6 |
|
P.A. Now (θ) |
352.6° |
|
Sep first |
6.1 |
|
Sep last |
6.274 |
|
Sep. Now (ρ) |
6.274" |
|
Mag pri |
10.61 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0.59 |
|
Spectral class |
G2: (yellow) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-005 |
|
Notes |
|
|
rPM=0.585
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 229917 |
|
Constellation |
Hercules |
|
Tycho2 |
1584-02988-2 |
|
Gaia DR2 |
4508056291603301504 |
|
HD |
229917 |
|