20247+1443 VLM 4 AC
20h 24m 40.27s +14° 42' 52.5" P.A. 152.00 sep 17.4 mag 11.10,13.80
Coord 2000 |
20247+1443 |
|
Discov num |
VLM 4 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 24 40.27 +14 42 52.5 |
|
Date first |
1997 |
|
Date last |
2019 |
|
Obs |
10 |
|
Pa first |
153 |
|
Pa last |
152.2 |
|
P.A. Now (θ) |
152.2° |
|
Sep first |
17.6 |
|
Sep last |
17.4 |
|
Sep. Now (ρ) |
17.4" |
|
Mag pri |
11.10 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
2.7 |
|
Spectral class |
|
|
Pri motion ra |
-003 |
|
Sec motion ra |
+007 |
|
Pri motion dec |
-014 |
|
Sec motion dec |
-004 |
|
Notes |
|
|
rPM=0.988
This double is not physical.
20247+1443 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 24 40 +14 42 52 |
HJ 1508 AB |
2019 |
14 |
59 |
13.9 |
11.10 |
13.50 |
2.40 |
|
|
Show |
|
|
20 24 40 +14 42 52 |
VLM 4 AC |
2019 |
10 |
152 |
17.4 |
11.10 |
13.80 |
2.70 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
Tycho2 |
1086-00887-1 |
|
Gaia DR2 |
1805027974006493184 |
|
WDS 20247+1443 VLM 4 AC : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
HJ_1826 |
Mb - |
Herschel, J.F.W. |
1826MmRAS...2..459H |
HJ_1826 |
|
MemRAS 2, 459, 1826 |
|
HJ_1829a |
Mb - |
Herschel, J.F.W. |
1829MmRAS...3...47H |
HJ_1829a |
|
MemRAS 3, 47, 1829 |
|
HJ_1829b |
Mb - |
Herschel, J.F.W. |
1829MmRAS...3..177H |
HJ_1829b |
|
MemRAS 3, 177, 1829 |
|
HJ_1831 |
Ma - |
Herschel, J.F.W. |
1831MmRAS...4..331H |
HJ_1831 |
+Mb |
MemRAS 4, part 2, 331, 1831 |
|
HJ_1833a |
Ma - |
Herschel, J.F.W. |
1833MmRAS...5...13H |
HJ_1833a |
+Mb |
MemRAS 5, 13, 1833 |
|
HJ_1833b |
orb - |
Herschel, J.F.W. |
1833MmRAS...5..171H |
HJ_1833b |
|
MemRAS 5, 171, 1833 |
|
HJ_1833c |
Mb - |
Herschel, J.F.W. |
1833MmRAS...6....1H |
HJ_1833c |
|
MemRAS 6, 1, 1833 |
|
HJ_1833d |
orb - |
Herschel, J.F.W. |
1833MmRAS...6..149H |
HJ_1833d |
|
MemRAS 6, 149, 1833 |
|
HJ_1835 |
Ma - |
Herschel, J.F.W. |
1835MmRAS...8...37H |
HJ_1835 |
+Mb |
MemRAS 8, 37, 1835 |
|
HJ_1836 |
Mb - |
Herschel, J.F.W. |
1836MmRAS...9..193H |
HJ_1836 |
|
MemRAS 9, 193, 1836 |
|
HJ_1847a |
Ma j |
Herschel, J.F.W. |
. |
HJ_1847a |
+Mb |
Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838) |
|
HJ_1847b |
Ma j |
Herschel, J.F.W. |
. |
HJ_1847b |
|
Cape Results, London, 1847 |
|
HJ_1850 |
orb - |
Herschel, J.F.W. |
1850MmRAS..18...47H |
HJ_1850 |
|
MemRAS 18, 47, 1850 |
|
HJ_1870 |
Mb - |
Herschel, J.F.W. |
1870MmRAS..38....1H |
HJ_1870 |
|
MemRAS 38, 1, 1870 |
|
HJ_1874A |
- |
Herschel, J.F.W. |
1874MNRAS..35...28B |
HJ_1874A |
|
cited by Burnham (MNRAS 35, 28, 1874) |
|
HJ_1875A |
Ma - |
Herschel, J.F.W. |
1875AN.....85..323D |
HJ_1875A |
+Mb |
cited by Doberck, 1875 (see Dob1875b,f,g,h) |
|
HJ_1880A |
Ma - |
Herschel, J.F.W. |
1880Obs.....3..508G |
HJ_1880A |
+Mb |
cited by Gledhill (Obs 3, 508, 1880) |
|
HJ_1880B |
Mb - |
Herschel, J.F.W. |
1880MNRAS..40..497B |
HJ_1880B |
|
cited by Burnham (MNRAS 40, 497, 1880) |
|
HJ_1897A |
Ma j |
Herschel, J.F.W. |
1897MNRAS..57..541S |
HJ_1897A |
|
cited by See (MNRAS 57, 541, 1897) |
|
HJ_1905A |
Ma - |
Herschel, J.F.W. |
1905LicOB...3..147A |
HJ_1905A |
+Mb |
cited by Aitken (Lick Obs. Bull. 3, 147, 1905) |
|
HJ_1906A |
Ma - |
Herschel, J.F.W. |
1906MmRAS..56....1L |
HJ_1906A |
+Mb |
cited by Lewis (MemRAS 56, 1, 1906) |
|
HJ_1906B |
Ma - |
Herschel, J.F.W. |
1906QB821.B972..... |
HJ_1906B |
+Mb |
cited in BDS (Burnham Double Star Cat.), 1906 |
|
HJ_1927A |
Mb - |
Herschel, J.F.W. |
1927sdsc.book...... |
HJ_1927A |
|
cited in SDS (Southern Double Star Catalog), 1927 |
|
HJ_1932A |
Mb - |
Herschel, J.F.W. |
1932QB821.A43...... |
HJ_1932A |
|
cited in ADS (Aitken Double Star Cat.), 1932 |
|
HJ_9999 |
M j |
Herschel, J.F.W. |
................... |
HJ_9999 |
+Ma |
Unpublished, manuscript or reference not found. |
|
Vlm2006 |
C - |
Vollmann, W. |
2006JDSO....2...74V |
Vlm2006 |
|
JDSO 2, 74, 2006 |
|
Vlm2008 |
C w |
Vollmann, W. |
2008JDSO....4...74V |
Vlm2008 |
|
JDSO 4, 74, 2008 |
|
Vlm2008b |
C u |
Vollmann, W. |
2008JDSO....4..128V |
Vlm2008b |
|
JDSO 4, 128, 2008 |
|
Vlm2009 |
C w |
Vollmann, W. |
2009JDSO....5..207V |
Vlm2009 |
|
JDSO 5, 207, 2009 |
|
Vlm2011 |
C u |
Vollmann, W. |
2011JDSO....7..109V |
Vlm2011 |
|
JDSO 7, 109, 2011 |
|
Vlm2014 |
C - |
Vollmann, W. |
2014JDSO...10..251V |
Vlm2014 |
+Eu |
JDSO 10, 251, 2014 |
|
Vlm2014 |
+Pc |
|
|
Vlm2016 |
C - |
Vollmann, W. |
2016JDSO...12..448V |
Vlm2016 |
|
JDSO 12, 448, 2016 |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20247+1443 |
VLM 4 |
AC |
2006 |
2 |
153 |
17.6 |
11.13 |
13.60 |
|
D |
202440.27+144252.5 |
20247+1443 |
VLM 4 |
AC |
2016 |
4 |
153 |
17.4 |
11.10 |
13.80 |
|
|
202440.27+144252.5 |
20247+1443 |
VLM 4 |
AC |
2019 |
10 |
152 |
17.4 |
11.10 |
13.80 |
|
|
202440.27+144252.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20247+1443 VLM 4 AC : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20247+1443 VLM 4 AC : MEASURES
No records found.
WDS 20247+1443 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 20247+1443 : ALADIN DSS IMAGE @ 20h 24m 40.27s +14° 42' 52.5"
WDS 20247+1443 VLM 4 AC : 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 |
|
20247+1443 |
HJ 1508 |
AB |
59 |
13.9 |
|
Show |
|
20247+1443 |
VLM 4 |
AC |
152 |
17.4 |
|
Show |
|
20250+1443 |
BPM2147 |
|
65 |
92.4 |
5 |
Show |
|
20247+1438 |
HJ 1507 |
|
64 |
10.4 |
5 |
Show |
|
20240+1443 |
BPM2143 |
|
221 |
87.9 |
10 |
Show |
|
20250+1451 |
J 842 |
|
180 |
4.2 |
10 |
Show |
|
20248+1452 |
STF2680 |
|
288 |
16.2 |
10 |
Show |
|
20239+1437 |
LDS4839 |
|
311 |
10.4 |
14 |
Show |
|
20246+1459 |
BPM2145 |
|
162 |
73.2 |
17 |
Show |
|
20255+1431 |
BPM2151 |
|
294 |
48.5 |
17 |
Show |
|
20263+1445 |
J 3085 |
|
206 |
6.0 |
24 |
Show |
|
20253+1420 |
BPM2149 |
|
339 |
38.5 |
25 |
Show |
|
20236+1421 |
BPM2141 |
|
171 |
109.3 |
27 |
Show |
|
20252+1416 |
BPM2148 |
|
96 |
68.4 |
29 |
Show |
|
20257+1510 |
BPM2153 |
|
113 |
95.6 |
31 |
Show |
|
20267+1431 |
BPM2162 |
|
214 |
78.9 |
32 |
Show |
|
20231+1508 |
BPM2137 |
|
314 |
41.6 |
34 |
Show |
|
20233+1515 |
BPM2140 |
BD |
306 |
82.6 |
38 |
Show |
|
20233+1515 |
BPM2138 |
AB |
179 |
54.0 |
38 |
Show |
|
20233+1515 |
BPM2139 |
AC |
359 |
111.7 |
38 |
Show |
|
20226+1510 |
LDS4838 |
|
25 |
19.4 |
41 |
Show |
|
20221+1501 |
BPM2130 |
|
349 |
49.5 |
42 |
Show |
|
20275+1454 |
A 1674 |
CD |
171 |
1.3 |
43 |
Show |
|
20275+1454 |
A 1674 |
AB |
14 |
0.9 |
43 |
Show |
|
20275+1454 |
A 1674 |
AC |
294 |
8.4 |
43 |
Show |
|
20274+1457 |
BRT1343 |
|
335 |
4.5 |
44 |
Show |
|
20219+1504 |
BPM2129 |
|
150 |
90.8 |
46 |
Show |
|
20227+1406 |
BPM2134 |
|
300 |
80.4 |
47 |
Show |
|
20250+1532 |
TDS1072 |
|
161 |
0.9 |
50 |
Show |
|
20252+1532 |
TDT2256 |
|
43 |
0.9 |
50 |
Show |
|
20275+1514 |
J 3087 |
|
329 |
6.2 |
51 |
Show |
|
20212+1433 |
AG 403 |
|
292 |
43.1 |
52 |
Show |
|
20215+1511 |
BPM2125 |
|
188 |
114.3 |
54 |
Show |
|
20230+1533 |
BPM2136 |
|
245 |
91.7 |
56 |
Show |
|
20226+1529 |
BPM2133 |
|
169 |
63.6 |
56 |
Show |
|
20284+1432 |
TDT2312 |
|
251 |
0.6 |
56 |
Show |
|
20279+1515 |
BPMA248 |
|
224 |
168.3 |
57 |
Show |
|
20229+1346 |
J 3082 |
AB |
18 |
6.1 |
60 |
Show |
|
20204+1447 |
BPM2119 |
|
30 |
110.7 |
63 |
Show |
|
20204+1427 |
BPM2120 |
|
168 |
117.9 |
64 |
Show |
|
20227+1345 |
J 3079 |
|
139 |
7.4 |
66 |
Show |
|
20270+1541 |
BPM2165 |
|
182 |
62.1 |
67 |
Show |
|
20288+1514 |
SLW1225 |
|
38 |
11.7 |
68 |
Show |
|
20259+1549 |
BPM2154 |
|
206 |
93.0 |
69 |
Show |
|
20206+1519 |
BPM2122 |
|
117 |
119.3 |
69 |
Show |
|
20255+1555 |
BPM2152 |
|
335 |
107.4 |
74 |
Show |
|
20200+1412 |
BPM2115 |
|
187 |
115.5 |
75 |
Show |
|
20271+1549 |
BPM2168 |
|
55 |
108.3 |
75 |
Show |
|
20196+1502 |
BPM2112 |
|
85 |
109.1 |
76 |
Show |
|
20197+1507 |
BPM2113 |
|
3 |
78.8 |
77 |
Show |
|
20295+1512 |
BPM2175 |
|
197 |
75.4 |
77 |
|
|
WDS 20247+1443 : COMPONENTS
|
A |
B |
B |
pa=58.4°
sep=13.57"
| |
C |
pa=153.0°
sep=17.28"
| pa=189.3°
sep=22.81"
|
20247+1443 A
Coord arcsec 2000 |
202440.27+144252.5 |
|
Mag |
11.1 |
|
PmRA |
-3.00 |
|
PmDE |
-14.0 |
|
Tycho2 |
1086-00887-1 |
|
Tycho2 |
1086-00887-1 |
|
Pflag |
|
|
RAmdeg |
306.16777049 |
|
DEmdeg |
14.71459957 |
|
PmRA |
-1.9 |
|
PmDE |
-13.1 |
|
E RAmdeg |
33 |
|
E DEmdeg |
34 |
|
E pmRA |
1.5 |
|
E pmDE |
1.4 |
|
EpRAm |
1979.37 |
|
EpDEm |
1977.60 |
|
Num |
5 |
|
Q RAmdeg |
0.9 |
|
Q DEmdeg |
0.4 |
|
Q pmRA |
0.9 |
|
Q pmDE |
0.4 |
|
BTmag |
11.712 |
|
E BTmag |
0.085 |
|
VTmag |
11.128 |
|
E VTmag |
0.088 |
|
Prox |
999 |
|
TYC |
|
|
HIP |
|
|
CCDM |
|
|
RAdeg |
306.16777889 |
|
DEdeg |
14.71462694 |
|
EpRA 1990 |
1.73 |
|
EpDE 1990 |
1.60 |
|
E RAdeg |
54.1 |
|
E DEdeg |
57.6 |
|
Posflg |
|
|
Corr |
0.0 |
|
20247+1443 B
Coord arcsec 2000 |
202441.07+144259.6 |
|
Mag |
13.5 |
|
Calc delta mag |
2.4 |
|
Calc coord |
yes |
|
20247+1443 C
Coord arcsec 2000 |
202440.81+144237.1 |
|
Mag |
13.8 |
|
PmRA |
7.00 |
|
PmDE |
-4.0 |
|
Calc delta mag |
2.7 |
|
Calc coord |
yes |
|