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Current system
18136-1536
BU 131 AC


Nearby doubles
8' : 18130-1537
J 2200

22' : 18125-1522
LV 7AB

22' : 18124-1548
BRT 586

26' : 18118-1541
HO 429

32' : 18142-1506
RST4004

32' : 18139-1503
RST4002

33' : 18158-1527
SKF2388

38' : 18158-1554
RST4005

40' : 18156-1602
AOT 72

40' : 18117-1605
J 1620AB

44' : 18128-1618
HJ 2821AB

46' : 18159-1505
J 2202

49' : 18163-1506
J 2203AB

51' : 18170-1548
J 2513

54' : 18154-1622
J 1649

55' : 18098-1533
CIA 66

58' : 18143-1631
J 1648

62' : 18178-1537
J 2205AB

63' : 18166-1451
BRT 587

64' : 18102-1616
ARA 98

64' : 18107-1624
FEN 27

69' : 18168-1622
J 1650

70' : 18177-1611
ARA 102

70' : 18140-1426
BRT2746

73' : 18168-1631
SNA 84AB

75' : 18112-1642
RST4000



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18136-1536 BU 131 AC

 
 
18h 13m 35.49s -15° 35' 54.1" P.A. 301.00 sep 9.0 mag 7.54,11.75 Sp F6V
 
 
Coord 2000 18136-1536 Discov num BU  131 Comp AC Coord arcsec 2000 18 13 35.49 -15 35 54.1
Date first 1880 Date last 2023 Obs 21
Pa first 279 Pa last 301 P.A. Now (θ) 301°
Sep first 7.1 Sep last 9 Sep. Now (ρ) 9"
Mag pri 7.54 Mag sec 11.75 delta mag (ΔM) 4.21 Spectral class F6V (yellow-white)
Pri motion ra +004 Sec motion ra -001
Pri motion dec -030 Sec motion dec -004
Notes S (Parallax indidates non-physical)
rPM=0.875
This double is not physical.
 
 
18136-1536 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 166962 18 13 35 -15 35 54 BU 131 AB 2023 41 276 3.0 7.54 9.30 1.76
Show 18 13 35 -15 35 54 BU 131 AC 2023 21 301 9.0 7.54 11.75 4.21 <===
Show 18 13 35 -15 35 54 FOX 221 AD 2023 7 34 41.6 7.54 12.52 4.98
Show 18 13 35 -15 35 54 BU 131 BC 2023 18 312 6.5 9.30 11.75 2.45
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens Tycho2 6264-01269-1 Gaia DR2 4145814493585839744 HD 166962
DM BD-15 4874
 
 
WDS 18136-1536 BU 131 AC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
18136-1536 BU 131 AC 2005 18 299 9.0 7.54 11.75 D 181335.49-153554.1
18136-1536 BU 131 AC 2010 20 299 8.7 7.54 11.75 F6V 181335.49-153554.1
18136-1536 BU 131 AC 2015 20 300 9.2 7.54 11.75 F6V 181335.49-153554.1
18136-1536 BU 131 AC 2023 21 301 9.0 7.54 11.75 F6V S 181335.49-153554.1

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

 
 
WDS 18136-1536 BU 131 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18136-1536 BU 131 AC : MEASURES
 
 
No records found.

 
 
WDS 18136-1536 : VIRTUAL EYEPIECE
 
 

18136-1536 BU 131A mag 7.54 Sp F6V 18136-1536 BU 131B sep 2.8 P.A. 278.30 mag 9.3 18136-1536 BU 131C sep 9.0 P.A. 301.00 mag 11.75 18136-1536 FOX 221D sep 41.6 P.A. 33.80 mag 12.52 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18136-1536 : ALADIN DSS IMAGE @ 18h 13m 35.49s -15° 35' 54.1"
 
 
 
 
WDS 18136-1536 BU 131 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18136-1536 BU 131AC distance=0' 18136-1536 BU 131BC distance=1' 18130-1537 J 2200 distance=8' 18125-1522 LV 7AB distance=22' 18125-1522 LV 7AC distance=22' 18125-1522 AOT 71AB,D distance=22' 18124-1548 BRT 586 distance=22' 18118-1541 HO 429 distance=26' 18142-1506 RST4004 distance=32' 18139-1503 RST4002 distance=32' 18158-1527 SKF2388 distance=33' 18158-1554 RST4005 distance=38' 18156-1602 AOT 72 distance=40' 18117-1605 J 1620AB distance=40' 18117-1605 ABH 95AE distance=40' 18117-1605 ABH 95AF distance=40' 18117-1605 J 1620BC distance=40' 18117-1605 J 1620BD distance=40' 18128-1618 HJ 2821AB distance=44' 18128-1618 BU 1463AC distance=44' 18159-1505 J 2202 distance=46' 18163-1506 J 2203AB distance=49' 18163-1506 J 2203BC distance=49' 18170-1548 J 2513 distance=51' 18154-1622 J 1649 distance=54' 18098-1533 CIA 66 distance=55' 18143-1631 J 1648 distance=58' 18178-1537 J 2205AB distance=62' 18178-1537 J 2205AC distance=62' 18166-1451 BRT 587 distance=63' 18102-1616 ARA 98 distance=64' 18107-1624 FEN 27 distance=64' 18168-1622 J 1650 distance=69' 18177-1611 ARA 102 distance=70' 18140-1426 BRT2746 distance=70' 18168-1631 SNA 84AB distance=73' 18168-1631 SNA 84AC distance=73' 18168-1631 SNA 84AD distance=73' 18112-1642 RST4000 distance=75' 18154-1648 HJ 2824 distance=77' 18093-1624 BRT 627 distance=79' 18106-1645 S 700AB distance=82' 18106-1645 S 700AC distance=82' 18106-1645 ABH 94AD distance=82' 18106-1645 ABH 94AE distance=82' 18106-1645 ABH 94AF distance=82' 18106-1645 S 700AG distance=82' 18174-1639 TOB 279 distance=84' 18175-1639 TOB 280 distance=85' 18175-1638 HJ 2829AB distance=85' 18175-1638 HJ 2829AC distance=85' 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 18136-1536 BU 131 AB 276 3.0 0
Show 18136-1536 FOX 221 AD 34 41.6 0
Show 18136-1536 BU 131 AC 301 9.0 0
Show 18136-1536 BU 131 BC 312 6.5 1
Show 18130-1537 J 2200 222 7.7 8
Show 18125-1522 LV 7 AB 272 3.4 22
Show 18125-1522 LV 7 AC 240 33.7 22
Show 18125-1522 AOT 71 AB,D 153 18.8 22
Show 18124-1548 BRT 586 76 5.1 22
Show 18118-1541 HO 429 30 4.3 26
Show 18142-1506 RST4004 220 1.6 32
Show 18139-1503 RST4002 47 2.5 32
Show 18158-1527 SKF2388 48 12.2 33
Show 18158-1554 RST4005 313 0.4 38
Show 18156-1602 AOT 72 348 8.4 40
Show 18117-1605 J 1620 AB 272 27.8 40
Show 18117-1605 ABH 95 AE 346 46.8 40
Show 18117-1605 ABH 95 AF 300 120.2 40
Show 18117-1605 J 1620 BC 235 7.3 40
Show 18117-1605 J 1620 BD 11 8.0 40
Show 18128-1618 HJ 2821 AB 278 7.8 44
Show 18128-1618 BU 1463 AC 12 53.1 44
Show 18159-1505 J 2202 185 8.0 46
Show 18163-1506 J 2203 AB 90 14.7 49
Show 18163-1506 J 2203 BC 339 5.5 49
Show 18170-1548 J 2513 274 4.0 51
Show 18154-1622 J 1649 338 3.6 54
Show 18098-1533 CIA 66 273 0.0 55
Show 18143-1631 J 1648 90 6.2 58
Show 18178-1537 J 2205 AB 100 4.6 62
Show 18178-1537 J 2205 AC 47 13.9 62
Show 18166-1451 BRT 587 338 3.0 63
Show 18102-1616 ARA 98 76 9.0 64
Show 18107-1624 FEN 27 21 4.6 64
Show 18168-1622 J 1650 249 4.5 69
Show 18177-1611 ARA 102 95 10.6 70
Show 18140-1426 BRT2746 67 4.2 70
Show 18168-1631 SNA 84 AB 117 5.1 73
Show 18168-1631 SNA 84 AC 199 5.5 73
Show 18168-1631 SNA 84 AD 261 6.8 73
Show 18112-1642 RST4000 292 0.5 75
Show 18154-1648 HJ 2824 74 21.9 77
Show 18093-1624 BRT 627 220 4.6 79
Show 18106-1645 S 700 AB 291 18.8 82
Show 18106-1645 S 700 AC 353 28.6 82
Show 18106-1645 ABH 94 AD 348 47.7 82
Show 18106-1645 ABH 94 AE 65 58.0 82
Show 18106-1645 ABH 94 AF 49 99.2 82
Show 18106-1645 S 700 AG 297 35.6 82
Show 18174-1639 TOB 279 194 13.2 84
Show 18175-1639 TOB 280 290 14.9 85

 
 
WDS 18136-1536 : COMPONENTS
 
 
  A B C
B pa=278.3°
sep=2.77"
 
C pa=301.0°
sep=9.00"
pa=310.4°
sep=6.53"
 
D pa=33.8°
sep=41.64"
pa=37.1°
sep=42.91"
pa=45.9°
sep=43.03"
 
 
18136-1536 A
 
 
Name HD 166962 Coord arcsec 2000 181335.49-153554.1 Mag 7.54 Spectral class F6V (yellow-white)
PmRA 4.00 PmDE -30.0 Tycho2 6264-01269-1 HD 166962
Tycho2
Tycho2 6264-01269-1 Pflag RAmdeg 273.39788131 DEmdeg -15.59835898
PmRA 12.0 PmDE -26.0 E RAmdeg 5 E DEmdeg 6
E pmRA 1.7 E pmDE 1.8 EpRAm 1991.67 EpDEm 1991.55
Num 4 Q RAmdeg 1.8 Q DEmdeg 0.0 Q pmRA 1.8
Q pmDE 0.1 BTmag 7.997 E BTmag 0.017 VTmag 7.543
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 273.39785306 DEdeg -15.59829889 EpRA 1990 1.77
EpDE 1990 1.68 E RAdeg 4.8 E DEdeg 6.2 Posflg D
Corr 0.1
CCDM
Ccdm 18136-1536 RComp Comp A Note1
Note2 Discov num DRAs -0.48 DDEs 5.6
R dRAs 56 Year Theta Rho
Obs 4 Vmag 7.3 Sp F5 PmNote *
PmRA -12 PmDE -33 Dm number -15 4874 Cat1 BD
Name2 Cat2 HD 166962 M HD
ADS BDS A11166 M ADS BDS N IDS IDS 18078S1537A
HIC
 
 
18136-1536 B
 
 
Coord arcsec 2000 181335.30-153553.7 Coord calc 181335.30-153553.7 Mag 9.3 PmRA 1.00
PmDE -31.0 Delta magnitude 1.76
CCDM
Ccdm 18136-1536 RComp Comp B Note1
Note2 Discov num BU 131 DRAs DDEs
R dRAs Year 1875 Theta 278 Rho 2.8
Obs 22 Vmag 9.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11166 M ADS BDS N IDS IDS 18078S1537B
HIC
 
 
18136-1536 C
 
 
Coord arcsec 2000 181334.96-153549.5 Mag 11.75 PmRA -1.00 PmDE -4.0
Delta magnitude 4.21 Coordinate calculated yes
CCDM
Ccdm 18136-1536 RComp Comp C Note1
Note2 Discov num BU 131 DRAs -1.04 DDEs 9.6
R dRAs 56 Year 1944 Theta 289 Rho 8.4
Obs 11 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11166 M ADS BDS N IDS IDS 18078S1537C
HIC
 
 
18136-1536 D
 
 
Coord arcsec 2000 181337.09-153519.5 Mag 12.52 PmRA 3.00 PmDE -10.0
Delta magnitude 4.98 Coordinate calculated yes
CCDM
Ccdm 18136-1536 RComp Comp D Note1
Note2 Discov num FOX DRAs 1.11 DDEs 39.2
R dRAs 66 Year 1913 Theta 36 Rho 37.0
Obs 2 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11166 M ADS BDS N IDS IDS 18078S1537D
HIC