20403-4956 KRW 2
20h 40m 17.69s -49° 56' 26.7" P.A. 62.00 sep 20.5 mag 14.96,15.54 Sp K0V+G8V
Coord 2000 |
20403-4956 |
|
Discov num |
KRW 2 |
|
Comp |
|
|
Coord arcsec 2000 |
20 40 17.69 -49 56 26.7 |
|
Date first |
1976 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
62 |
|
Pa last |
61.9 |
|
P.A. Now (θ) |
61.9° |
|
Sep first |
20.6 |
|
Sep last |
20.486 |
|
Sep. Now (ρ) |
20.486" |
|
Mag pri |
14.96 |
|
Mag sec |
15.54 |
|
delta mag (ΔM) |
0.58 |
|
Spectral class |
K0V+G8V (yellow-orange/yellow) |
|
Pri motion ra |
+013 |
|
Sec motion ra |
+012 |
|
Pri motion dec |
-016 |
|
Sec motion dec |
-015 |
|
Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=0.069 (< 0.3, Physical double)
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Indus |
|
Gaia DR2 |
6475044183795920512 |
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WDS 20403-4956 KRW 2 : NOTES
discov_num |
notes |
refcode |
KRW 2 |
Based on a comparison of images spanning 23 years, Krawczenko (2014) |
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|
determined that this pair shares common proper motion. From colors, |
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spectral types for the primary and secondary appear to be about K0 and |
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G8V, repectively; distances are 640 and 870 pc, masses about 0.79 and |
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|
0.81 Msun. |
Krw2014a |
REFERENCES
refcode |
metd |
author |
reference |
Krw2014a |
E2 w |
Krawczenko, Carlos A. |
2014OED....12...43K |
Krw2014a |
+P+ |
El Observador de Estrellas Dobles, Issue #12, 43, 2014 |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20403-4956 |
KRW 2 |
|
1999 |
4 |
62 |
20.4 |
14.96 |
15.54 |
K0V G8V |
NV |
204017.69-495626.7 |
20403-4956 |
KRW 2 |
|
2000 |
6 |
62 |
20.4 |
14.96 |
15.54 |
K0V+G8V |
NV |
204017.69-495626.7 |
20403-4956 |
KRW 2 |
|
2010 |
8 |
62 |
20.4 |
14.96 |
15.54 |
K0V+G8V |
NV |
204017.69-495626.7 |
20403-4956 |
KRW 2 |
|
2015 |
9 |
62 |
20.5 |
14.96 |
15.54 |
K0V+G8V |
NU |
204017.69-495626.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20403-4956 KRW 2 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20403-4956 KRW 2 : MEASURES
No records found.
WDS 20403-4956 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
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WDS 20403-4956 : ALADIN DSS IMAGE @ 20h 40m 17.69s -49° 56' 26.7"
WDS 20403-4956 KRW 2 : NEIGHBORHOODS
|
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 |
|
20403-4956 |
KRW 2 |
|
62 |
20.5 |
|
Show |
|
20433-4959 |
UC 4269 |
|
85 |
20.3 |
30 |
Show |
|
20354-5014 |
LDS 714 |
AC |
238 |
100.3 |
51 |
Show |
|
20354-5014 |
WOR9002 |
AB |
273 |
1.1 |
51 |
Show |
|
20450-5029 |
I 17 |
AB |
32 |
1.2 |
56 |
Show |
|
20450-5029 |
DUN 235 |
AC |
122 |
125.4 |
56 |
Show |
|
20458-4920 |
HDS2956 |
|
294 |
12.8 |
65 |
Show |
|
20469-4929 |
CBL 180 |
|
198 |
27.9 |
70 |
Show |
|
20381-4846 |
UC 4241 |
|
189 |
44.7 |
74 |
Show |
|
20327-4949 |
TSN 34 |
|
213 |
8.7 |
74 |
Show |
|
20331-4932 |
UC 4215 |
|
113 |
41.9 |
75 |
Show |
|
20403-5114 |
HU 1617 |
|
279 |
0.2 |
78 |
Show |
|
20455-5105 |
HU 1618 |
|
240 |
1.0 |
86 |
Show |
|
20315-5012 |
B 488 |
|
78 |
1.7 |
87 |
Show |
|
20351-5109 |
HDS2941 |
|
268 |
5.1 |
88 |
Show |
|
20380-4828 |
WSP 88 |
|
147 |
16.3 |
92 |
Show |
|
20421-4825 |
SKF1167 |
|
253 |
84.3 |
95 |
Show |
|
20385-4821 |
BRT1113 |
|
211 |
4.6 |
98 |
Show |
|
20358-4815 |
BRT1112 |
|
145 |
4.8 |
111 |
Show |
|
20516-5030 |
KPP 479 |
|
347 |
4.9 |
114 |
Show |
|
20436-5148 |
I 128 |
|
328 |
3.6 |
116 |
Show |
|
20343-4816 |
I 1423 |
AB |
50 |
1.5 |
117 |
Show |
|
20343-4816 |
TOI2244 |
AC |
307 |
20.3 |
117 |
Show |
|
20402-4749 |
UC 4252 |
|
317 |
5.7 |
127 |
Show |
|
20291-5105 |
I 664 |
|
281 |
1.5 |
128 |
Show |
|
20534-4923 |
SHY 784 |
AB |
134 |
348.4 |
132 |
Show |
|
20534-4923 |
SHY 784 |
BC |
147 |
2.8 |
135 |
Show |
|
20533-4906 |
TDT2608 |
|
172 |
1.1 |
137 |
Show |
|
20358-4747 |
I 665 |
|
304 |
2.9 |
138 |
Show |
|
20546-4938 |
TOK 680 |
AB |
271 |
5.3 |
140 |
Show |
|
20546-4938 |
TOK 680 |
AC |
333 |
7.0 |
140 |
Show |
|
20394-5216 |
UC 4245 |
|
199 |
24.1 |
141 |
Show |
|
20291-4826 |
I 1421 |
|
341 |
0.4 |
143 |
Show |
|
20274-5108 |
RST1070 |
|
287 |
1.2 |
143 |
Show |
|
20266-4905 |
BRT1109 |
|
108 |
5.4 |
144 |
Show |
|
20485-5200 |
B 1388 |
|
327 |
5.4 |
146 |
Show |
|
20384-5221 |
RST1074 |
AB |
226 |
2.5 |
147 |
Show |
|
20270-5111 |
KPP 584 |
|
85 |
5.4 |
147 |
Show |
|
20267-5107 |
UC 4186 |
|
345 |
9.2 |
148 |
Show |
|
20275-4838 |
I 663 |
|
71 |
0.8 |
148 |
Show |
|
20382-5223 |
TDT2440 |
|
228 |
1.8 |
148 |
Show |
|
20539-5111 |
CPO 618 |
|
315 |
6.1 |
150 |
Show |
|
20485-4750 |
TDT2554 |
|
162 |
2.3 |
150 |
Show |
|
20413-4725 |
CPO 617 |
|
165 |
4.8 |
152 |
Show |
|
20525-5136 |
ALD 94 |
|
304 |
1.7 |
153 |
Show |
|
20529-4826 |
CPO9297 |
|
304 |
3.4 |
153 |
Show |
|
20511-5154 |
SHN 248 |
|
344 |
1.3 |
156 |
Show |
|
20321-4742 |
I 1087 |
AB |
95 |
3.5 |
157 |
Show |
|
20321-4742 |
TOK 628 |
AC |
120 |
999.9 |
157 |
Show |
|
20269-5133 |
SKF1165 |
|
222 |
20.3 |
160 |
Show |
|
20469-4730 |
UC 4285 |
|
90 |
20.0 |
161 |
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WDS 20403-4956 : COMPONENTS
20403-4956 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
204017.69-495626.7 |
|
Mag |
14.96 |
|
Spectral class |
K0V (yellow-orange) |
|
PmRA |
13.00 |
|
PmDE |
-16.0 |
|
20403-4956 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
204018.89-495617.1 |
|
Mag |
15.54 |
|
Spectral class |
G8V (yellow) |
|
PmRA |
12.00 |
|
PmDE |
-15.0 |
|
Calc delta mag |
0.58 |
|
Calc coord |
yes |
|