21257-8201 TDT 2957
21h 25m 44.27s -82° 00' 41.2" P.A. 140.00 sep 0.4 mag 10.51,10.77 Sp K0
| Coord 2000 |
21257-8201 |
|
Discov num |
TDT2957 |
|
Comp |
|
|
Coord arcsec 2000 |
21 25 44.27 -82 00 41.2 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
140 |
|
Pa last |
140.2 |
|
P.A. Now (θ) |
140.2° |
|
| Sep first |
0.4 |
|
Sep last |
0.41 |
|
Sep. Now (ρ) |
0.41" |
|
| Mag pri |
10.51 |
|
Mag sec |
10.77 |
|
delta mag (ΔM) |
0.26 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+012 |
|
Sec motion ra |
+012 |
|
| Pri motion dec |
-021 |
|
Sec motion dec |
-021 |
|
| Notes |
X
(Dubious double) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Octans |
|
Tycho2 |
9486-00533-1 |
|
Gaia DR2 |
6348464659994731648 |
|
WDS 21257-8201 TDT 2957 : NOTES
No records found.
DISCOVERER
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
dm_number |
notes |
coord_arcsec_2000 |
| 21257-8201 |
TDT2957 |
|
1991 |
1 |
140 |
0.4 |
10.51 |
10.77 |
|
|
|
212544.27-820041.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 21257-8201 TDT 2957 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21257-8201 TDT 2957 : MEASURES
No records found.
WDS 21257-8201 : VIRTUAL EYEPIECE

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|
|
WDS 21257-8201 : ALADIN DSS IMAGE @ 21h 25m 44.27s -82° 00' 41.2"
WDS 21257-8201 TDT 2957 : NEIGHBORHOODS
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|

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
| Show |
name |
coord_2000 |
discov# |
comp |
pa |
sep |
dist(') |
| Show |
|
21257-8201 |
TDT2957 |
|
140 |
0.4 |
0 |
| Show |
|
21232-8150 |
TDT2937 |
|
297 |
0.6 |
12 |
| Show |
|
21188-8145 |
TRC 8 |
|
195 |
4.0 |
22 |
| Show |
|
21255-8138 |
DEA 494 |
AB |
124 |
217.5 |
23 |
| Show |
|
21255-8138 |
GKM9483 |
Aa,Ab |
133 |
0.2 |
23 |
| Show |
|
21160-8234 |
GKM9479 |
AB |
125 |
1.3 |
39 |
| Show |
|
21123-8129 |
YMG 92 |
|
131 |
0.1 |
44 |
| Show |
|
21385-8121 |
NSN 428 |
|
86 |
7.2 |
49 |
| Show |
|
21378-8301 |
UC 4515 |
|
56 |
52.5 |
65 |
| Show |
|
21422-8057 |
TDT3116 |
|
89 |
0.5 |
74 |
| Show |
|
21159-8316 |
HJ 5233 |
|
268 |
11.7 |
78 |
| Show |
|
21067-8042 |
GLI 263 |
|
247 |
4.5 |
90 |
| Show |
|
21171-8021 |
I 670 |
|
0 |
0.7 |
102 |
| Show |
|
21208-8008 |
TDS1124 |
|
180 |
1.3 |
114 |
| Show |
|
21222-8007 |
LDS 736 |
|
2 |
134.2 |
115 |
| Show |
|
21334-8002 |
HJ 5262 |
|
92 |
23.8 |
120 |
| Show |
|
21177-7954 |
GKM9480 |
AB |
137 |
2.5 |
129 |
| Show |
|
21455-8409 |
TDT3142 |
|
290 |
0.5 |
134 |
| Show |
|
21213-8419 |
HJ 5235 |
|
80 |
3.2 |
139 |
| Show |
|
21382-8435 |
TDT3070 |
|
109 |
2.4 |
156 |
| Show |
|
21201-8439 |
UC 4446 |
|
95 |
8.2 |
159 |
| Show |
|
21211-7831 |
UC 4454 |
|
185 |
75.8 |
210 |
| Show |
|
21182-7732 |
TOI1101 |
AB |
236 |
3.6 |
270 |
| Show |
|
21415-7723 |
BLM 6 |
|
331 |
0.1 |
281 |
| Show |
|
21079-8645 |
JSP 815 |
|
289 |
2.2 |
287 |
| Show |
|
21082-7716 |
TDT2777 |
|
17 |
1.5 |
289 |
| Show |
|
21212-7710 |
KPP1119 |
|
277 |
8.8 |
291 |
|
|
WDS 21257-8201 : COMPONENTS
21257-8201 A
| Coord arcsec 2000 |
212544.27-820041.2 |
|
Mag |
10.51 |
|
Spectral class |
K0 (yellow-orange) |
|
PmRA |
12.00 |
|
| PmDE |
-21.0 |
|
21257-8201 B
| Coord arcsec 2000 |
212544.40-820041.5 |
|
Mag |
10.77 |
|
PmRA |
12.00 |
|
PmDE |
-21.0 |
|
| Delta magnitude |
0.26 |
|
Coordinate calculated |
yes |
|