18042-2544 RCH 4
18h 04m 12.09s -25° 44' 25.7" P.A. 354.00 sep 3.9 mag 5.59,9.41
Coord 2000 |
18042-2544 |
|
Discov num |
RCH 4 |
|
Comp |
|
|
Coord arcsec 2000 |
18 04 12.09 -25 44 25.7 |
|
Date first |
1998 |
|
Date last |
2009 |
|
Obs |
2 |
|
Pa first |
356 |
|
Pa last |
354 |
|
P.A. Now (θ) |
354° |
|
Sep first |
3.2 |
|
Sep last |
3.94 |
|
Sep. Now (ρ) |
3.94" |
|
Mag pri |
5.59 |
|
Mag sec |
9.41 |
|
delta mag (ΔM) |
3.82 |
|
Spectral class |
|
|
Pri motion ra |
|
|
Sec motion ra |
|
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Pri motion dec |
|
|
Sec motion dec |
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Notes |
K
(K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Gaia DR2 |
4064144934561695744 |
|