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Current system
15570+2002
HJ 2799


Nearby doubles
17' : 15560+2013
YSC 224

44' : 16000+2010
HDS2253

50' : 15540+1936
COU 67

53' : 15578+2054
A 1370

55' : 15590+1916
UC 3097

57' : 15529+2000
HU 747

61' : 15532+1931
HJ 2796

62' : 15597+1915
LDS4618

71' : 15521+2015
HJ 2794AB

71' : 16009+1918
A 2081AB

98' : 16015+2116
PST 2

101' : 15509+1911
A 2078

105' : 15506+1909
SLW1142

107' : 15590+1820
SHY 691

109' : 15589+2147
STF1990AB

109' : 16019+2127
LDS4624

114' : 16048+2028
COU 194

119' : 15567+2202
LDS4610

121' : 16019+1825
RAO 597

121' : 15503+2117
SHN 205

121' : 15485+2015
DBR 320

130' : 15482+1925
COU 193

140' : 15501+1822
CVR 172

144' : 16036+2151
SLW1160

147' : 15578+1737
BRT2422

147' : 15465+1957
COU 66



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.

15570+2002 HJ 2799

 
 
15h 56m 57.69s +20° 02' 18.0" P.A. 315.00 sep 15.0 mag 8.31,18.30 Sp F2 dist. 94.61 pc (308.62 l.y.)
 
 
Coord 2000 15570+2002 Discov num HJ 2799 Comp Coord arcsec 2000 15 56 57.69 +20 02 18.0
Date first 1830 Date last 1830 Obs 1
Pa first 315 Pa last 315 P.A. Now (θ) 315°
Sep first 15.0 Sep last 15 Sep. Now (ρ) 15"
Mag pri 8.31 Mag sec 18.30 delta mag (ΔM) 9.99 Spectral class F2 (yellow-white)
Pri motion ra -028 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens SAO 84090 HIP 78110 Tycho2 1502-00062-1
Gaia DR2 1204204380490979072 HD 142979 BD BD+20 3172 Distance 94.61
Distance ly 308.62
 
 
WDS 15570+2002 HJ 2799 : 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.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15570+2002 HJ 2799 1830 1 315 15.0 8.30 18.30 F2 155657.69+200218.0

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

 
 
WDS 15570+2002 HJ 2799 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15570+2002 HJ 2799 : MEASURES
 
 
No records found.

 
 
WDS 15570+2002 : VIRTUAL EYEPIECE
 
 

15570+2002 HJ 2799A mag 8.31 Sp F2 15570+2002 HJ 2799B sep 14.6 P.A. 316.80 mag 18.3 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 15570+2002 : ALADIN DSS IMAGE @ 15h 56m 57.69s +20° 02' 18.0"
 
 
 
 
WDS 15570+2002 HJ 2799 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15570+2002 HJ 2799 distance=0' 15560+2013 YSC 224 distance=17' 16000+2010 HDS2253 distance=44' 15540+1936 COU 67 distance=50' 15578+2054 A 1370 distance=53' 15590+1916 UC 3097 distance=55' 15529+2000 HU 747 distance=57' 15532+1931 HJ 2796 distance=61' 15597+1915 LDS4618 distance=62' 15521+2015 HJ 2794AB distance=71' 15521+2015 HJ 2794AC distance=71' 16009+1918 A 2081AB distance=71' 16009+1918 GII 97Ba,Bb distance=71' 16015+2116 PST 2 distance=98' 15509+1911 A 2078 distance=101' 15506+1909 SLW1142 distance=105' 15590+1820 SHY 691 distance=107' 15589+2147 STF1990AB distance=109' 15589+2147 WAL 69AD distance=109' 15589+2147 STF1990AC distance=109' 16019+2127 LDS4624 distance=109' 15589+2147 STF1990BC distance=110' 16048+2028 COU 194 distance=114' 15567+2202 LDS4610 distance=119' 16019+1825 RAO 597 distance=121' 15503+2117 SHN 205 distance=121' 15485+2015 DBR 320 distance=121' 15482+1925 COU 193 distance=130' 15501+1822 CVR 172 distance=140' 16036+2151 SLW1160 distance=144' 15578+1737 BRT2422 distance=147' 15465+1957 COU 66 distance=147' 15537+2224 GRV 915 distance=149' 16048+1823 GWP2589 distance=150' 15474+1851 COU 192AB distance=153' 15474+1851 GII 223Aa,Ab distance=153' 16057+1832 A 2082 distance=153' 16077+2022 WEI 30 distance=153' 15468+1905 A 2077 distance=155' 15570+1726 HJ 2798BC distance=156' 15581+2237 NSN 674 distance=156' 15570+1726 HJ 2798AB distance=157' 15556+1725 BRT1941 distance=157' 15525+1738 CVR1652 distance=158' 16064+1837 GWP2594 distance=159' 16072+1848 COU 196 distance=163' 16064+1830 COU 195 distance=163' 16073+1852 BRT2423 distance=163' 15538+1726 CVR 805 distance=163' 15598+1723 STF1993AB distance=165' 15598+1723 STF1993AC distance=165' 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 15570+2002 HJ 2799 315 15.0
Show 15560+2013 YSC 224 310 0.1 17
Show 16000+2010 HDS2253 260 0.1 44
Show 15540+1936 COU 67 218 1.6 50
Show 15578+2054 A 1370 227 0.3 53
Show 15590+1916 UC 3097 131 27.8 55
Show 15529+2000 HU 747 110 2.5 57
Show 15532+1931 HJ 2796 148 27.8 61
Show 15597+1915 LDS4618 349 7.3 62
Show 15521+2015 HJ 2794 AB 144 23.2 71
Show 15521+2015 HJ 2794 AC 9 23.3 71
Show 16009+1918 A 2081 AB 321 2.4 71
Show 16009+1918 GII 97 Ba,Bb 51 0.2 71
Show 16015+2116 PST 2 325 1.6 98
Show 15509+1911 A 2078 165 1.1 101
Show 15506+1909 SLW1142 236 26.4 105
Show 15590+1820 SHY 691 344 999.9 107
Show 15589+2147 STF1990 AB 61 56.6 109
Show 15589+2147 WAL 69 AD 262 15.0 109
Show 15589+2147 STF1990 AC 60 58.5 109
Show 16019+2127 LDS4624 21 345.1 109
Show 15589+2147 STF1990 BC 26 4.0 110
Show 16048+2028 COU 194 160 1.9 114
Show 15567+2202 LDS4610 296 27.5 119
Show 16019+1825 RAO 597 156 1.3 121
Show 15503+2117 SHN 205 -1 0.6 121
Show 15485+2015 DBR 320 230 2.1 121
Show 15482+1925 COU 193 282 0.5 130
Show 15501+1822 CVR 172 139 54.5 140
Show 16036+2151 SLW1160 267 13.9 144
Show 15578+1737 BRT2422 179 4.5 147
Show 15465+1957 COU 66 67 0.5 147
Show 15537+2224 GRV 915 286 19.1 149
Show 16048+1823 GWP2589 77 13.5 150
Show 15474+1851 COU 192 AB 189 1.2 153
Show 15474+1851 GII 223 Aa,Ab 164 0.1 153
Show 16057+1832 A 2082 6 4.1 153
Show 16077+2022 WEI 30 224 12.3 153
Show 15468+1905 A 2077 223 0.6 155
Show 15570+1726 HJ 2798 BC 30 7.8 156
Show 15581+2237 NSN 674 220 3.4 156
Show 15570+1726 HJ 2798 AB 353 52.3 157
Show 15556+1725 BRT1941 321 3.4 157
Show 15525+1738 CVR1652 307 4.5 158
Show 16064+1837 GWP2594 255 96.7 159
Show 16072+1848 COU 196 350 1.6 163
Show 16064+1830 COU 195 262 1.5 163
Show 16073+1852 BRT2423 334 4.8 163
Show 15538+1726 CVR 805 84 19.2 163
Show 15598+1723 STF1993 AB 43 20.1 165
Show 15598+1723 STF1993 AC 179 239.3 165

 
 
WDS 15570+2002 : COMPONENTS
 
 
  A
B pa=316.8°
sep=14.55"
 
 
15570+2002 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 155657.69+200218.0 Mag 8.31 Spectral class F2 (yellow-white)
PmRA -28.00 PmDE 4.0 SAO 84090 HIP 78110
Tycho2 1502-00062-1 HD 142979 BD BD+20 3172
Tycho2
Tycho2 1502-00062-1 Pflag RAmdeg 239.24028909 DEmdeg 20.03830480
PmRA -29.0 PmDE -14.0 E RAmdeg 6 E DEmdeg 6
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.11 EpDEm 1990.87
Num 11 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.3 BTmag 8.754 E BTmag 0.017 VTmag 8.313
E VTmag 0.012 Prox 999 TYC T HIP 78110
CCDM RAdeg 239.24036222 DEdeg 20.03833778 EpRA 1990 1.48
EpDE 1990 1.41 E RAdeg 6.1 E DEdeg 6.2 Posflg
Corr -0.1
SAO
SAO 84090 DelFlag RA1950 PmRA1950 -0.0017
DE1950 PmDE1950 -0.027 Vmag 8.3 SpType F2
Double code Source 35 CatNum 5458 DM BD+20 3172
DMcomp BDsup HD 142979 M HD 0
GC RA1950rad 4.16588071 DE1950rad 0.35224006 PmRA2000 -0.0016
PmDE2000 -0.024
Hipparcos
Catalog H HIP 78110 Proxy RAhms 15 56 57.69
DEdms +20 02 18.0 Vmag 8.26 VarFlag R Vmag H
RAdeg 239.24 DEdeg 20.0383 AstroRef Plx 9.06
CCDM 15570+2002 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 142979 BD BD+20 3172
CD CP Dm number +20 3172 VIred 0.46
SpType F2 R SpType Coord arcsec 2000 155657.69+200218.0
Hipparcos 2
HIP 78110 Sn 5 So 0 Nc 1
RArad 4.1755320105 DErad 0.3497349541 Plx 10.57 PmRA -30.29
PmDE -12.78 E RArad 0.57 E DErad 0.69 E Plx 0.99
E pmRA 0.62 E pmDE 0.75 Hpmag 8.3577 E Hpmag 0.0012
SHp 0.016 VA 0 BV 0.419 E BV 0.014
VI 0.49
CCDM
Ccdm 15570+2002 RComp Comp A Note1
Note2 Discov num DRAs -2.31 DDEs 18.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.3 Sp F2 PmNote *
PmRA -27 PmDE -8 Dm number +20 3172 Cat1 BD
Name2 +20 1607 Cat2 AGK2/3 HD 142979 M HD
ADS BDS B 7445 M ADS BDS N IDS IDS 15526N2019A
HIC 78110
 
 
15570+2002 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 155656.98+200228.6 Mag 18.3 Calc delta mag 9.99
Calc coord yes
CCDM
Ccdm 15570+2002 RComp Comp B Note1
Note2 Discov num HJ 2799 DRAs DDEs
R dRAs Year 1830 Theta 315 Rho 15.0
Obs 1 Vmag 18.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 7445 M ADS BDS N IDS IDS 15526N2019B
HIC