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Doubles in session


Current system
22284-2553
LDS 2944 AB


Nearby doubles
18' : 22292-2540
KPP 896

51' : 22312-2625
LDS5953

57' : 22314-2630
LDS5954

61' : 22241-2612
UC 4735

73' : 22300-2445
B 2901

75' : 22229-2601
KPP1508

76' : 22281-2709
SHN 260

87' : 22348-2550
UC 4770

94' : 22275-2419
LDS5949

95' : 22229-2457
RST3300

98' : 22216-2522
SEE 472

110' : 22308-2410
HDS3192AB

128' : 22199-2653
RST1129

130' : 22241-2750
UC 4736

135' : 22351-2734
B 566

136' : 22229-2401
KPP1281

137' : 22276-2338
WIS 367

139' : 22382-2518
SWR 269

146' : 22389-2623
LDS4985

147' : 22238-2807
LDS4963

148' : 22362-2412
RST3303

149' : 22175-2614
RSS 570

149' : 22174-2544
RST1126

151' : 22391-2642
RST1141

155' : 22396-2619
LDS5966

157' : 22381-2720
B 570



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

22284-2553 LDS 2944 AB

 
 
22h 28m 23.42s -25° 54' 07.7" P.A. 218.00 sep 3.1 mag 12.46,13.49 dist. 20.41 pc (66.58 l.y.)
 
 
Coord 2000 22284-2553 Discov num LDS2944 Comp AB Coord arcsec 2000 22 28 23.42 -25 54 07.7
Date first 1954 Date last 2020 Obs 12
Pa first 212 Pa last 218.2 P.A. Now (θ) 218.2°
Sep first 4.5 Sep last 3.115 Sep. Now (ρ) 3.115"
Mag pri 12.46 Mag sec 13.49 delta mag (ΔM) 1.03 Spectral class
Pri motion ra +017 Sec motion ra +017
Pri motion dec -340 Sec motion dec -340
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
22284-2553 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 22 28 23 -25 54 08 WSI 137 Aa,Ab 2021 14 14 0.4 13.20 13.20 0.00 Y
Show 22 28 23 -25 54 08 LDS 2944 AB 2020 12 218 3.1 12.46 13.49 1.03 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Piscis Austrinus HIP 110922 Distance 20.41 Distance ly 66.58
 
 
WDS 22284-2553 LDS 2944 AB : NOTES
 
 
discov_num notes refcode
LDS2944 NLTT 53929/53928 Chm2004
 
 
REFERENCES
 
 
refcode metd author reference
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)
1 WSI Douglass, G.G., Hindsley, R.B., & Worley, C.E.
10 WSI Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L.,
10 WSI Hennessy, G.S., Hall, D.M., Urban, S.E., et al.
13 WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I.,
13 WSI Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al.
14 WSI Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M.,
14 WSI Hennessy, G.S., Platais, I., et al.
15 WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M.,
15 WSI Hennessy, G.S., Rafferty, T.J., et al.
42 WSI Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian,
42 WSI C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D.
52 WSI Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice,
52 WSI M., Kilian, C.M. & Warner, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22284-2553 LDS2944 AB 2010 3 215 3.3 12.46 13.49 NV 222823.42-255407.7
22284-2553 LDS2944 AB 2014 5 219 3.4 12.46 13.49 NV 222823.42-255407.7
22284-2553 LDS2944 AB 2015 6 218 3.4 12.46 13.49 NV 222823.42-255407.7
22284-2553 LDS2944 AB 2017 9 218 3.3 12.46 13.49 NV 222823.42-255407.7
22284-2553 LDS2944 AB 2018 10 218 3.2 12.46 13.49 NV 222823.42-255407.7
22284-2553 LDS2944 AB 2019 11 218 3.2 12.46 13.49 NV 222823.42-255407.7
22284-2553 LDS2944 AB 2020 12 218 3.1 12.46 13.49 NV 222823.42-255407.7

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 22284-2553 LDS 2944 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22284-2553 LDS 2944 AB : MEASURES
 
 
No records found.

 
 
WDS 22284-2553 : VIRTUAL EYEPIECE
 
 

22284-2553 LDS2944A mag 12.46 22284-2553 WSI 137Ab sep 0.4 P.A. 12.40 mag 13.2 22284-2553 LDS2944B sep 3.0 P.A. 215.30 mag 13.49 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 22284-2553 : ALADIN DSS IMAGE @ 22h 28m 23.42s -25° 54' 07.7"
 
 
 
 
WDS 22284-2553 LDS 2944 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22284-2553 LDS2944AB distance=0' 22292-2540 KPP 896 distance=18' 22312-2625 LDS5953 distance=51' 22314-2630 LDS5954 distance=57' 22241-2612 UC 4735 distance=61' 22300-2445 B 2901 distance=73' 22229-2601 KPP1508 distance=75' 22281-2709 SHN 260 distance=76' 22348-2550 UC 4770 distance=87' 22275-2419 LDS5949 distance=94' 22229-2457 RST3300 distance=95' 22216-2522 SEE 472 distance=98' 22308-2410 HDS3192AB distance=110' 22308-2410 HDS3192Aa,Ab distance=110' 22199-2653 RST1129 distance=128' 22241-2750 UC 4736 distance=130' 22351-2734 B 566 distance=135' 22229-2401 KPP1281 distance=136' 22276-2338 WIS 367 distance=137' 22382-2518 SWR 269 distance=139' 22389-2623 LDS4985 distance=146' 22238-2807 LDS4963 distance=147' 22362-2412 RST3303 distance=148' 22175-2614 RSS 570 distance=149' 22174-2544 RST1126 distance=149' 22391-2642 RST1141 distance=151' 22396-2619 LDS5966 distance=155' 22381-2720 B 570 distance=157' 22194-2737 RST1128 distance=159' 22234-2330 UC 4731 distance=160' 22263-2832 LDS2942 distance=161' 22166-2635 TDT3439 distance=164' 22163-2619 UC 4699 distance=166' 22357-2808 HDS3208Aa,Ab distance=166' 22357-2808 SHY 352AB distance=166' 22294-2840 SEE 474AB distance=167' 22294-2840 H N 34AB,C distance=167' 22328-2833 HJ 3120 distance=169' 22187-2752 LDS5943 distance=176' 22402-2718 B 573 distance=179' 22376-2805 LDS 789 distance=181' 22305-2255 UC 4756 distance=182' 22187-2809 SEE 471 distance=188' 22341-2846 RST1138 distance=188' 22381-2339 B 571AB distance=189' 22381-2339 B 571AB,C distance=189' 22422-2511 LDS5970 distance=192' 22231-2256 RST3301 distance=193' 22142-2519 KPP1848 distance=196' 22185-2333 UC 4715 distance=196' 22175-2342 HJ 5324 distance=198' grafico limitrofi
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 22284-2553 LDS2944 AB 218 3.1
Show 22284-2553 WSI 137 Aa,Ab 14 0.4
Show 22292-2540 KPP 896 140 7.5 18
Show 22312-2625 LDS5953 160 77.6 51
Show 22314-2630 LDS5954 250 247.8 57
Show 22241-2612 UC 4735 92 9.3 61
Show 22300-2445 B 2901 187 9.7 73
Show 22229-2601 KPP1508 300 11.4 75
Show 22281-2709 SHN 260 -1 0.1 76
Show 22348-2550 UC 4770 39 15.0 87
Show 22275-2419 LDS5949 170 190.0 94
Show 22229-2457 RST3300 198 1.2 95
Show 22216-2522 SEE 472 58 5.3 98
Show 22308-2410 HDS3192 AB 0.3 110
Show 22308-2410 HDS3192 Aa,Ab 133 0.0 110
Show 22199-2653 RST1129 177 2.7 128
Show 22241-2750 UC 4736 269 21.0 130
Show 22351-2734 B 566 125 3.6 135
Show 22229-2401 KPP1281 182 9.8 136
Show 22276-2338 WIS 367 63 64.3 137
Show 22382-2518 SWR 269 110 35.2 139
Show 22389-2623 LDS4985 99 9.7 146
Show 22238-2807 LDS4963 309 2.4 147
Show 22362-2412 RST3303 153 1.4 148
Show 22175-2614 RSS 570 215 18.8 149
Show 22174-2544 RST1126 59 0.4 149
Show 22391-2642 RST1141 318 0.9 151
Show 22396-2619 LDS5966 326 106.1 155
Show 22381-2720 B 570 281 0.4 157
Show 22194-2737 RST1128 298 0.9 159
Show 22234-2330 UC 4731 68 26.5 160
Show 22263-2832 LDS2942 244 5.0 161
Show 22166-2635 TDT3439 88 0.7 164
Show 22163-2619 UC 4699 283 24.2 166
Show 22357-2808 HDS3208 Aa,Ab 77 0.0 166
Show 22357-2808 SHY 352 AB 221 999.9 166
Show 22294-2840 SEE 474 AB 272 0.6 167
Show 22294-2840 H N 34 AB,C 298 34.6 167
Show 22328-2833 HJ 3120 156 20.2 169
Show 22187-2752 LDS5943 341 384.5 176
Show 22402-2718 B 573 181 1.2 179
Show 22376-2805 LDS 789 284 162.3 181
Show 22305-2255 UC 4756 33 18.9 182
Show 22187-2809 SEE 471 35 4.9 188
Show 22341-2846 RST1138 339 2.2 188
Show 22381-2339 B 571 AB 192 0.4 189
Show 22381-2339 B 571 AB,C 359 10.3 189
Show 22422-2511 LDS5970 192 59.2 192
Show 22231-2256 RST3301 253 0.7 193
Show 22142-2519 KPP1848 313 14.3 196
Show 22185-2333 UC 4715 138 21.6 196

 
 
WDS 22284-2553 : COMPONENTS
 
 
  A Ab
Ab pa=12.4°
sep=0.42"
 
B pa=215.3°
sep=3.00"
pa=212.5°
sep=3.39"
 
 
22284-2553 A
 
 
Coord arcsec 2000 222823.42-255407.7 Mag 12.46 PmRA 17.00 PmDE -340.0
HIP 110922
Hipparcos
Catalog H HIP 110922 Proxy H RAhms 22 28 23.41
DEdms -25 54 04.7 Vmag 11.97 VarFlag R Vmag H
RAdeg 337.098 DEdeg -25.9013 AstroRef A Plx 40.81
CCDM 22284-2554 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 218 Rho 3.917 HD BD
CD CP Dm number VIred 0.75
SpType R SpType Coord arcsec 2000 222823.41-255404.7
Hipparcos 2
HIP 110922 Sn 15 So 3 Nc 2
RArad 5.8834619244 DErad -0.4520631787 Plx 49 PmRA 11.4
PmDE -340.88 E RArad 5.88 E DErad 4.35 E Plx 6.47
E pmRA 6.25 E pmDE 4.27 Hpmag 12.107 E Hpmag 0.0107
SHp 0.085 VA 0 BV 0 E BV 0
VI 0
 
 
22284-2553 Ab
 
 
Coord arcsec 2000 222823.43-255407.3 Mag 13.2 Calc coord yes
 
 
22284-2553 B
 
 
Coord arcsec 2000 222823.29-255410.1 Mag 13.49 PmRA 17.00 PmDE -340.0
Calc delta mag 0.29 Calc coord yes