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Doubles in session


Current system
15340+2057
LDS 976


Nearby doubles
27' : 15350+2035
CBL 491

37' : 15315+2113
BRT2420

40' : 15359+2125
KPP3293

48' : 15318+2135
COU 191AB

53' : 15376+2110
HU 578

61' : 15382+2111
KPP3962

63' : 15384+2048
SLW1121

75' : 15328+1945
HU 577

76' : 15288+2038
HU 150

84' : 15398+2117
AG 197

93' : 15291+2200
SLW1098

94' : 15404+2123
HU 579

95' : 15378+1939
GWP2538

99' : 15410+2105
GRV 910

104' : 15267+2116
LDS4551

108' : 15388+1934
CVR 798

109' : 15315+1914
GRV 908

113' : 15275+1952
KPP1056

115' : 15406+2205
WIS 291

115' : 15261+2128
STF1942

116' : 15326+1903
SLW1104

123' : 15314+1900
JNN 104

125' : 15252+2119
TDS9512

132' : 15416+1940
HU 580AB

135' : 15357+2319
POU3194

145' : 15348+2321
POU3192



Selections
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Binary Systems
Triple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

15340+2057 LDS 976

 
 
15h 33m 58.61s +20° 57' 27.1" P.A. 185.00 sep 52.8 mag 10.31,13.30 Sp K2 dist. 82.03 pc (267.58 l.y.)
 
 
Coord 2000 15340+2057 Discov num LDS 976 Comp Coord arcsec 2000 15 33 58.61 +20 57 27.1
Date first 1936 Date last 2015 Obs 9
Pa first 186 Pa last 184.9 P.A. Now (θ) 184.9°
Sep first 52.0 Sep last 52.835 Sep. Now (ρ) 52.835"
Mag pri 10.31 Mag sec 13.30 delta mag (ΔM) 2.99 Spectral class K2 (yellow-orange)
Pri motion ra -178 Sec motion ra -160
Pri motion dec +049 Sec motion dec +052
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.099 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens HIP 76204 Tycho2 1500-01444-1 Gaia DR2 1211334743459716992
BD BD+21 2787 Distance 82.03 Distance ly 267.58
 
 
WDS 15340+2057 LDS 976 : NOTES
 
 
discov_num notes refcode
LDS 976 NLTT 40568/40569 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)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15340+2057 LDS 976 2000 3 185 52.9 10.21 13.70 K2 DV 153358.61+205727.1
15340+2057 LDS 976 2001 4 185 52.8 10.21 13.70 K2 NVD 153358.61+205727.1
15340+2057 LDS 976 2010 5 185 52.8 10.31 13.30 K2 NV 153358.61+205727.1
15340+2057 LDS 976 2015 7 185 52.8 10.31 13.30 K2 NV 153358.61+205727.1

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

 
 
WDS 15340+2057 LDS 976 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15340+2057 LDS 976 : MEASURES
 
 
No records found.

 
 
WDS 15340+2057 : VIRTUAL EYEPIECE
 
 

15340+2057 LDS 976A mag 10.31 Sp K2 15340+2057 LDS 976B sep 52.8 P.A. 184.60 mag 13.3 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 15340+2057 : ALADIN DSS IMAGE @ 15h 33m 58.61s +20° 57' 27.1"
 
 
 
 
WDS 15340+2057 LDS 976 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15340+2057 LDS 976 distance=0' 15350+2035 CBL 491 distance=27' 15315+2113 BRT2420 distance=37' 15359+2125 KPP3293 distance=40' 15318+2135 COU 191AB distance=48' 15318+2135 COU 191AC distance=48' 15376+2110 HU 578 distance=53' 15382+2111 KPP3962 distance=61' 15384+2048 SLW1121 distance=63' 15328+1945 HU 577 distance=75' 15288+2038 HU 150 distance=76' 15398+2117 AG 197 distance=84' 15291+2200 SLW1098 distance=93' 15404+2123 HU 579 distance=94' 15378+1939 GWP2538 distance=95' 15410+2105 GRV 910 distance=99' 15267+2116 LDS4551 distance=104' 15388+1934 CVR 798 distance=108' 15315+1914 GRV 908 distance=109' 15275+1952 KPP1056 distance=113' 15406+2205 WIS 291 distance=115' 15261+2128 STF1942 distance=115' 15326+1903 SLW1104 distance=116' 15314+1900 JNN 104 distance=123' 15252+2119 TDS9512 distance=125' 15416+1940 HU 580AB distance=132' 15416+1940 BU 1451AB,C distance=132' 15416+1940 BU 1451AB,D distance=132' 15357+2319 POU3194 distance=135' 15348+2321 POU3192 distance=145' 15433+1954 HJ 2790 distance=145' 15300+2311 AZC 92 distance=145' 15236+2113 GRV 905 distance=146' 15246+1946 UC 208 distance=150' 15420+2240 POU3198 distance=152' 15242+1952 SKF2724 distance=153' 15237+2158 UC 206 distance=156' 15272+2301 POU3189 distance=156' 15375+2325 POU3196 distance=157' 15227+2038 KPP4385BC distance=160' 15227+2038 KPP4385AC distance=160' 15227+2038 KPP4385AB distance=160' 15377+2329 ARY 10 distance=161' 15440+2220 COU 106 distance=163' 15368+1820 LDS4571 distance=164' 15405+1840 A 2076 distance=165' 15392+2330 POU3197 distance=170' 15428+1859 GWP2547 distance=172' 15424+1852 GWP2546 distance=173' 15450+1933 CBL 495 distance=177' 15436+2255 KPP3295 distance=178' 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 15340+2057 LDS 976 185 52.8
Show 15350+2035 CBL 491 110 7.4 27
Show 15315+2113 BRT2420 311 11.8 37
Show 15359+2125 KPP3293 244 37.3 40
Show 15318+2135 COU 191 AB 20 5.4 48
Show 15318+2135 COU 191 AC 85 11.0 48
Show 15376+2110 HU 578 136 1.2 53
Show 15382+2111 KPP3962 32 14.6 61
Show 15384+2048 SLW1121 144 46.7 63
Show 15328+1945 HU 577 25 0.3 75
Show 15288+2038 HU 150 26 4.5 76
Show 15398+2117 AG 197 126 3.1 84
Show 15291+2200 SLW1098 23 29.8 93
Show 15404+2123 HU 579 136 0.7 94
Show 15378+1939 GWP2538 350 74.1 95
Show 15410+2105 GRV 910 250 7.5 99
Show 15267+2116 LDS4551 157 40.6 104
Show 15388+1934 CVR 798 154 10.3 108
Show 15315+1914 GRV 908 52 70.6 109
Show 15275+1952 KPP1056 49 8.4 113
Show 15406+2205 WIS 291 342 28.7 115
Show 15261+2128 STF1942 91 9.7 115
Show 15326+1903 SLW1104 278 27.9 116
Show 15314+1900 JNN 104 283 0.5 123
Show 15252+2119 TDS9512 42 0.7 125
Show 15416+1940 HU 580 AB 249 0.2 132
Show 15416+1940 BU 1451 AB,C 353 144.9 132
Show 15416+1940 BU 1451 AB,D 109 152.8 132
Show 15357+2319 POU3194 228 3.0 135
Show 15348+2321 POU3192 11 3.2 145
Show 15433+1954 HJ 2790 163 11.7 145
Show 15300+2311 AZC 92 61 14.3 145
Show 15236+2113 GRV 905 15 14.7 146
Show 15246+1946 UC 208 220 39.6 150
Show 15420+2240 POU3198 16 5.8 152
Show 15242+1952 SKF2724 299 1.2 153
Show 15237+2158 UC 206 26 28.2 156
Show 15272+2301 POU3189 151 8.2 156
Show 15375+2325 POU3196 179 11.8 157
Show 15227+2038 KPP4385 BC 148 20.3 160
Show 15227+2038 KPP4385 AC 147 22.3 160
Show 15227+2038 KPP4385 AB 136 3.6 160
Show 15377+2329 ARY 10 316 79.0 161
Show 15440+2220 COU 106 277 0.3 163
Show 15368+1820 LDS4571 102 34.6 164
Show 15405+1840 A 2076 187 0.8 165
Show 15392+2330 POU3197 352 4.0 170
Show 15428+1859 GWP2547 235 83.7 172
Show 15424+1852 GWP2546 232 899.3 173
Show 15450+1933 CBL 495 164 15.2 177
Show 15436+2255 KPP3295 186 13.6 178

 
 
WDS 15340+2057 : COMPONENTS
 
 
  A
B pa=184.6°
sep=52.81"
 
 
15340+2057 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 153358.61+205727.1 Mag 10.31 Spectral class K2 (yellow-orange)
PmRA -178.00 PmDE 49.0 HIP 76204 Tycho2 1500-01444-1
BD BD+21 2787
Tycho2
Tycho2 1500-01444-1 Pflag RAmdeg 233.49422688 DEmdeg 20.95753938
PmRA -177.8 PmDE 48.0 E RAmdeg 29 E DEmdeg 26
E pmRA 1.2 E pmDE 1.2 EpRAm 1983.63 EpDEm 1982.94
Num 8 Q RAmdeg 0.9 Q DEmdeg 0.7 Q pmRA 0.9
Q pmDE 0.7 BTmag 11.288 E BTmag 0.065 VTmag 10.311
E VTmag 0.042 Prox 999 TYC T HIP 76204
CCDM RAdeg 233.49467083 DEdeg 20.95742444 EpRA 1990 1.63
EpDE 1990 1.56 E RAdeg 31.9 E DEdeg 33.0 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 76204 Proxy RAhms 15 33 58.72
DEdms +20 57 26.7 Vmag 10.21 VarFlag R Vmag H
RAdeg 233.495 DEdeg 20.9574 AstroRef Plx 10.49
CCDM 15340+2057 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+21 2787
CD CP Dm number +21 2787 VIred 1.36
SpType K2 R SpType Coord arcsec 2000 153358.72+205726.7
Hipparcos 2
HIP 76204 Sn 5 So 0 Nc 1
RArad 4.0752509314 DErad 0.3657760657 Plx 12.19 PmRA -178
PmDE 49.99 E RArad 1.34 E DErad 1.28 E Plx 1.78
E pmRA 1.67 E pmDE 1.77 Hpmag 10.3476 E Hpmag 0.0048
SHp 0.036 VA 0 BV 0.92 E BV 0.081
VI 0.96
CCDM
Ccdm 15340+2057 RComp Comp A Note1
Note2 Discov num DRAs -1.37 DDEs 27.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.8 Sp PmNote *
PmRA -179 PmDE 51 Dm number +21 2787 Cat1 BD
Name2 +21 1515 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 15295N2116A
HIC 76204
 
 
15340+2057 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 153358.31+205634.5 Mag 13.3 PmRA -160.00
PmDE 52.0 Calc delta mag 2.99 Calc coord yes
CCDM
Ccdm 15340+2057 RComp Comp B Note1
Note2 Discov num LDS 976 DRAs DDEs
R dRAs Year 1936 Theta 186 Rho 52.0
Obs 1 Vmag 14.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15295N2116B
HIC