17554+1352 HEI 553 (HD 163400)
17h 55m 24.61s +13° 51' 34.5" P.A. 207.00 sep 0.6 mag 9.84,9.87 Sp A3
Coord 2000 |
17554+1352 |
|
Discov num |
HEI 553 |
|
Comp |
|
|
Coord arcsec 2000 |
17 55 24.61 +13 51 34.5 |
|
Date first |
1987 |
|
Date last |
2016 |
|
Obs |
7 |
|
Pa first |
208 |
|
Pa last |
207.4 |
|
P.A. Now (θ) |
207.4° |
|
Sep first |
0.3 |
|
Sep last |
0.626 |
|
Sep. Now (ρ) |
0.626" |
|
Mag pri |
9.84 |
|
Mag sec |
9.87 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
A3 (white) |
|
Pri motion ra |
+008 |
|
Sec motion ra |
+008 |
|
Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 163400 |
|
Constellation |
Ophiuchus |
|
SAO |
103217 |
|
Tycho2 |
1019-00920-1 |
|
Gaia DR2 |
4499715224589409792 |
|
HD |
163400 |
|