15536-2520 BU 36 AB (2 Sco)
15h 53m 36.72s -25° 19' 37.7" P.A. 273.00 sep 2.0 mag 4.69,6.98 Sp B2.5Vn dist. 154.08 pc (502.61 l.y.)
Coord 2000 |
15536-2520 |
|
Discov num |
BU 36 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 53 36.72 -25 19 37.7 |
|
Date first |
1855 |
|
Date last |
2019 |
|
Obs |
41 |
|
Pa first |
278 |
|
Pa last |
273 |
|
P.A. Now (θ) |
273° |
|
Sep first |
2.6 |
|
Sep last |
1.987 |
|
Sep. Now (ρ) |
1.987" |
|
Mag pri |
4.69 |
|
Mag sec |
6.98 |
|
delta mag (ΔM) |
2.29 |
|
Spectral class |
B2.5Vn (blue-white) |
|
Pri motion ra |
-014 |
|
Sec motion ra |
|
|
Pri motion dec |
-024 |
|
Sec motion dec |
|
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
This double is physical.
15536-2520 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
183896 |
15 53 37 -25 19 38 |
OCC 187 Aa,Ab |
1933 |
0 |
-1 |
0.1 |
5.60 |
5.60 |
0.00 |
|
|
Show |
2 Sco |
183896 |
15 53 37 -25 19 38 |
BU 36 AB |
2019 |
41 |
273 |
2.0 |
4.69 |
6.98 |
2.29 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
2 Sco |
|
Constellation |
Scorpius |
|
SAO |
183896 |
|
HIP |
77840 |
|
Tycho2 |
6782-02147-1 |
|
Gaia DR2 |
6235654766990811008 |
|
HD |
142114 |
|
HR |
5904 |
|
GC |
21329 |
|
ADS |
9823 |
|
CD |
CD-2412352 |
|
CP |
CP-24 5582 |
|
Flamsteed |
2 Scorpii |
|
Flamsteed name |
2 Sco |
|
Distance |
154.08 |
|
Distance ly |
502.61 |
|