21318-0155 LDS 6356
21h 31m 45.46s -01° 55' 38.4" P.A. 306.00 sep 8.5 mag 10.67,14.23 Sp G:
Coord 2000 |
21318-0155 |
|
Discov num |
LDS6356 |
|
Comp |
|
|
Coord arcsec 2000 |
21 31 45.46 -01 55 38.4 |
|
Date first |
1960 |
|
Date last |
2016 |
|
Obs |
13 |
|
Pa first |
314 |
|
Pa last |
306 |
|
P.A. Now (θ) |
306° |
|
Sep first |
9.5 |
|
Sep last |
8.481 |
|
Sep. Now (ρ) |
8.481" |
|
Mag pri |
10.67 |
|
Mag sec |
14.23 |
|
delta mag (ΔM) |
3.56 |
|
Spectral class |
G: (yellow) |
|
Pri motion ra |
+215 |
|
Sec motion ra |
+203 |
|
Pri motion dec |
-073 |
|
Sec motion dec |
-069 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.056 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquarius |
|
Tycho2 |
5212-00051-1 |
|
Gaia DR2 |
2686473525065158656 |
|
WDS 21318-0155 LDS 6356 : NOTES
discov_num |
notes |
refcode |
LDS6356 |
G026-008. See Allen et al. (2000) for information on metallicity, |
AlC2000 |
|
age, galactic orbital parameters, etc. |
|
|
NLTT 51459/51458 |
Chm2004 |
REFERENCES
refcode |
metd |
author |
reference |
AlC2000 |
Po - |
Allen, C., Poveda, A., & Herrera, M |
2000A&A...356..529A |
AlC2000 |
|
A&A 356, 529, 2000 |
|
Chm2004 |
E - |
Chaname, J. & Gould, A. |
2004ApJ...601..289C |
Chm2004 |
|
ApJ 601, 289, 2004 |
|
Chm2004 |
|
(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early |
|
Chm2004 |
|
versions of 2MASS and UCAC, with date given only as "circa 2000". Measures |
|
Chm2004 |
|
identical to discovery observations - predominantly close pairs - were assumed |
|
Chm2004 |
|
not new observations, so not included in WDS. Similar concerns when primary and |
|
Chm2004 |
|
secondary magnitudes or proper motions were the same.) |
|
DISCOVERER
idgroup |
discov |
author |
1 |
LDS |
Luyten p.m. catalog (from additional DD list) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
21318-0155 |
LDS6356 |
|
1998 |
5 |
306 |
8.5 |
10.67 |
14.23 |
G: |
D |
213145.46-015538.4 |
21318-0155 |
LDS6356 |
|
2000 |
7 |
306 |
8.4 |
10.67 |
14.23 |
G: |
N D |
213145.46-015538.4 |
21318-0155 |
LDS6356 |
|
2010 |
8 |
306 |
8.3 |
10.67 |
14.23 |
G: |
NV |
213145.46-015538.4 |
21318-0155 |
LDS6356 |
|
2015 |
8 |
306 |
8.5 |
10.67 |
14.23 |
G: |
NV |
213145.46-015538.4 |
21318-0155 |
LDS6356 |
|
2016 |
13 |
306 |
8.5 |
10.67 |
14.23 |
G: |
NV |
213145.46-015538.4 |
If you need more information about this double, apply for a
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WDS 21318-0155 LDS 6356 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21318-0155 LDS 6356 : MEASURES
No records found.
WDS 21318-0155 : VIRTUAL EYEPIECE
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WDS 21318-0155 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.