17087-4242 HJ 4918 (HD 154645)
17h 08m 40.21s -42° 41' 41.0" P.A. 291.00 sep 13.2 mag 9.07,12.02 Sp Ap dist. 510.2 pc (1664.27 l.y.)
Coord 2000 |
17087-4242 |
|
Discov num |
HJ 4918 |
|
Comp |
|
|
Coord arcsec 2000 |
17 08 40.21 -42 41 41.0 |
|
Date first |
1834 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
284 |
|
Pa last |
291.2 |
|
P.A. Now (θ) |
291.2° |
|
Sep first |
8.0 |
|
Sep last |
13.164 |
|
Sep. Now (ρ) |
13.164" |
|
Mag pri |
9.07 |
|
Mag sec |
12.02 |
|
delta mag (ΔM) |
2.95 |
|
Spectral class |
Ap (white) |
|
Pri motion ra |
-004 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
+011 |
|
Notes |
|
|
rPM=1.445
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 154645 |
|
Constellation |
Scorpius |
|
SAO |
227666 |
|
HIP |
83882 |
|
Tycho2 |
7877-00366-1 |
|
Gaia DR2 |
5965298322435976192 |
|
HD |
154645 |
|
CD |
CD-4211864 |
|
CP |
CP-42 7648 |
|
Distance |
510.2 |
|
Distance ly |
1664.27 |
|