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Doubles in session


Current system
18218-1155
EGN 22 AB
Alasia


Nearby doubles
13' : 18226-1152
BU 1252

17' : 18218-1139
HU 62

24' : 18207-1138
SKF2802

29' : 18234-1137
BVD 126

31' : 18202-1137
BRT2751

37' : 18228-1229
KPP4106

39' : 18242-1213
HU 63

48' : 18187-1206
SNA 90AB

52' : 18183-1157
BRT2750

54' : 18182-1159
SKF1505

55' : 18188-1227
SZA 5

55' : 18181-1155
TDT 783

56' : 18254-1212
BRT2753

57' : 18195-1242
RST4006

59' : 18181-1215
TRN 27AB

59' : 18181-1214
LNV 7

65' : 18175-1206
WRS 12

67' : 18184-1239
TDT 785

68' : 18181-1118
SNA 86

70' : 18189-1101
HU 60

77' : 18242-1303
BRT2752

81' : 18164-1214
BRT2747

82' : 18271-1223
SKF2389

83' : 18270-1125
TDT 874

87' : 18210-1321
BWE 2

93' : 18166-1247
TSN 45



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.

18218-1155 EGN 22 AB (Alasia)

 
 
18h 21m 49.80s -11° 55' 21.1" P.A. 141.00 sep 3.3 mag 7.95, Sp G5 dist. 42.74 pc (139.42 l.y.)
 
 
Coord 2000 18218-1155 Discov num EGN  22 Comp AB Coord arcsec 2000 18 21 49.80 -11 55 21.1
Date first 2003 Date last 2005 Obs 2
Pa first 143 Pa last 141 P.A. Now (θ) 141°
Sep first 3.3 Sep last 3.27 Sep. Now (ρ) 3.27"
Mag pri 7.95 Mag sec delta mag (ΔM) Spectral class G5 (yellow)
Pri motion ra -022 Sec motion ra
Pri motion dec -069 Sec motion dec
Notes N U K (See Notes, Proper motion indicates non-physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is not physical.
 
 
18218-1155 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Alasia 161386 18 21 50 -11 55 21 EGN 22 AB 2005 2 141 3.3 7.95 <===
Show 161386 18 21 50 -11 55 21 EGN 22 AC 2005 2 47 3.7 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AD 2005 1 243 5.6 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AE 2005 1 354 5.9 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AF 2005 2 106 7.3 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AG 2005 4 290 8.5 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AH 2005 1 218 8.8 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AI 2005 2 132 8.9 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AJ 2005 3 294 10.4 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AK 2005 1 337 10.6 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AL 2005 1 310 12.2 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AM 2005 1 9 12.8 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AN 2005 1 334 12.9 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AO 2014 3 339 14.2 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AP 2015 5 294 19.6 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AQ 2005 2 309 23.5 7.95
Show 161386 18 21 50 -11 55 21 EGN 22 AR 2015 4 313 26.2 7.95
18-fold system
18 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Alasia Constellation Serpens SAO 161386 HIP 90004
Tycho2 5685-02670-1 Gaia DR2 4153637759337630720 HD 168746 BD BD-11 4606
Distance 42.74 Distance ly 139.42
Meaning Cypriot proposal; first historically recorded name of Cyprus (mid-15th century).
 
 
WDS 18218-1155 EGN 22 AB (Alasia) : NOTES
 
 
discov_num notes refcode
EGN 22 AB, AC, and AF pairs unbound; D, E, G, H, and R likely unrelated as
well. Bound/unbound nature of other components is inconclusive.
Primary is planet host star. Egn2007
 
 
REFERENCES
 
 
refcode metd author reference
Egn2007 Ao j Eggenberger, P., Udry, S., Chauvin, G. Beuzit, J.-L., Lagrange, A.-M., Segransan, 2007A&A...474..273E
Egn2007 D., & Mayor, M.
Egn2007 A&A 474, 273, 2007
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18218-1155 EGN 22 AB 2005 2 141 3.3 7.95   G5 NUD 182149.80-115521.1

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

 
 
WDS 18218-1155 EGN 22 AB (Alasia) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18218-1155 EGN 22 AB (Alasia) : MEASURES
 
 
No records found.

 
 
WDS 18218-1155 (Alasia) : VIRTUAL EYEPIECE
 
 

18218-1155 EGN 22A mag 7.95 Sp G5 18218-1155 EGN 22B sep 3.2 P.A. 141.60 18218-1155 EGN 22C sep 3.7 P.A. 46.70 18218-1155 EGN 22D sep 5.5 P.A. 242.50 18218-1155 EGN 22E sep 5.9 P.A. 353.70 18218-1155 EGN 22F sep 7.1 P.A. 106.70 18218-1155 EGN 22G sep 8.3 P.A. 290.60 18218-1155 EGN 22H sep 8.8 P.A. 217.40 18218-1155 EGN 22I sep 8.8 P.A. 132.30 18218-1155 EGN 22J sep 10.2 P.A. 294.10 18218-1155 EGN 22K sep 10.6 P.A. 337.50 18218-1155 EGN 22L sep 12.1 P.A. 310.90 18218-1155 EGN 22M sep 12.8 P.A. 8.60 18218-1155 EGN 22N sep 12.8 P.A. 334.00 18218-1155 EGN 22O sep 14.2 P.A. 339.60 18218-1155 EGN 22P sep 19.2 P.A. 294.80 18218-1155 EGN 22Q sep 23.2 P.A. 309.30 18218-1155 EGN 22R sep 25.9 P.A. 313.80 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 18218-1155 (Alasia) : ALADIN DSS IMAGE @ 18h 21m 49.80s -11° 55' 21.1"
 
 
 
 
WDS 18218-1155 EGN 22 AB (Alasia) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18218-1155 EGN 22AB (Alasia) distance=0' 18226-1152 BU 1252 distance=13' 18218-1139 HU 62 distance=17' 18207-1138 SKF2802 distance=24' 18234-1137 BVD 126 distance=29' 18202-1137 BRT2751 distance=31' 18228-1229 KPP4106 distance=37' 18242-1213 HU 63 distance=39' 18187-1206 SNA 90Aa,Ab distance=48' 18187-1206 SNA 90AB distance=48' 18187-1206 SNA 90AC distance=48' 18183-1157 BRT2750 distance=52' 18182-1159 SKF1505 distance=54' 18188-1227 SZA 5 distance=55' 18181-1155 TDT 783 distance=55' 18254-1212 BRT2753 distance=56' 18195-1242 RST4006 distance=57' 18181-1215 DBK 1Aa,Ab distance=59' 18181-1215 TRN 27AB distance=59' 18181-1215 SS 7AC distance=59' 18181-1215 SS 7AD distance=59' 18181-1215 SS 7AE distance=59' 18181-1215 SS 7AF distance=59' 18181-1215 SS 7AG distance=59' 18181-1215 SS 7AH distance=59' 18181-1215 SS 7AI distance=59' 18181-1215 SS 7AJ distance=59' 18181-1215 SS 7AK distance=59' 18181-1215 SS 7AL distance=59' 18181-1215 SS 7AM distance=59' 18181-1215 SS 7AN distance=59' 18181-1215 SS 7AO distance=59' 18181-1215 SS 7AP distance=59' 18181-1215 SS 7AQ distance=59' 18181-1214 LNV 7 distance=59' 18181-1215 BRT2749KJ distance=59' 18175-1206 WRS 12 distance=65' 18184-1239 TDT 785 distance=67' 18181-1118 SNA 86 distance=68' 18189-1101 HU 60 distance=70' 18242-1303 BRT2752 distance=77' 18164-1214 BRT2747 distance=81' 18271-1223 SKF2389 distance=82' 18270-1125 TDT 874 distance=83' 18210-1321 BWE 2 distance=87' 18166-1247 TSN 45 distance=93' 18181-1310 HU 59 distance=93' 18276-1240 SKF2390 distance=96' 18161-1111 HDS2579 distance=96' 18211-1339 RST9006 distance=105' 18204-1011 HER 2 distance=107' 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 Alasia 18218-1155 EGN 22 AB 141 3.3
Show Alasia 18218-1155 EGN 22 AC 47 3.7
Show Alasia 18218-1155 EGN 22 AD 243 5.6
Show Alasia 18218-1155 EGN 22 AE 354 5.9
Show Alasia 18218-1155 EGN 22 AF 106 7.3
Show Alasia 18218-1155 EGN 22 AG 290 8.5
Show Alasia 18218-1155 EGN 22 AH 218 8.8
Show Alasia 18218-1155 EGN 22 AI 132 8.9
Show Alasia 18218-1155 EGN 22 AJ 294 10.4
Show Alasia 18218-1155 EGN 22 AK 337 10.6
Show Alasia 18218-1155 EGN 22 AL 310 12.2
Show Alasia 18218-1155 EGN 22 AM 9 12.8
Show Alasia 18218-1155 EGN 22 AN 334 12.9
Show Alasia 18218-1155 EGN 22 AO 339 14.2
Show Alasia 18218-1155 EGN 22 AP 294 19.6
Show Alasia 18218-1155 EGN 22 AQ 309 23.5
Show Alasia 18218-1155 EGN 22 AR 313 26.2
Show 18226-1152 BU 1252 154 0.8 13
Show 18218-1139 HU 62 25 0.5 17
Show 18207-1138 SKF2802 344 5.6 24
Show 18234-1137 BVD 126 290 19.2 29
Show 18202-1137 BRT2751 24 3.9 31
Show 18228-1229 KPP4106 253 1.7 37
Show 18242-1213 HU 63 306 4.1 39
Show 18187-1206 SNA 90 Aa,Ab 303 0.0 48
Show 18187-1206 SNA 90 AB 34 3.0 48
Show 18187-1206 SNA 90 AC 267 7.6 48
Show 18183-1157 BRT2750 40 1.5 52
Show 18182-1159 SKF1505 3 3.1 54
Show 18188-1227 SZA 5 136 5.9 55
Show 18181-1155 TDT 783 67 0.5 55
Show 18254-1212 BRT2753 165 4.0 56
Show 18195-1242 RST4006 243 1.3 57
Show 18181-1215 DBK 1 Aa,Ab 262 0.0 59
Show 18181-1215 TRN 27 AB 40 4.8 59
Show 18181-1215 SS 7 AC 191 14.4 59
Show 18181-1215 SS 7 AD 260 18.1 59
Show 18181-1215 SS 7 AE 217 18.1 59
Show 18181-1215 SS 7 AF 16 30.1 59
Show 18181-1215 SS 7 AG 9 39.4 59
Show 18181-1215 SS 7 AH 268 40.8 59
Show 18181-1215 SS 7 AI 299 45.7 59
Show 18181-1215 SS 7 AJ 258 45.4 59
Show 18181-1215 SS 7 AK 262 48.6 59
Show 18181-1215 SS 7 AL 348 51.8 59
Show 18181-1215 SS 7 AM 255 64.4 59
Show 18181-1215 SS 7 AN 280 71.3 59
Show 18181-1215 SS 7 AO 305 72.1 59
Show 18181-1215 SS 7 AP 285 72.5 59
Show 18181-1215 SS 7 AQ 291 84.9 59
Show 18181-1214 LNV 7 51 4.3 59

 
 
WDS 18218-1155 : COMPONENTS
 
 
  A B C D E F G H I J K L M N O P Q
B pa=141.6°
sep=3.24"
 
C pa=46.7°
sep=3.67"
pa=7.4°
sep=5.10"
 
D pa=242.5°
sep=5.53"
pa=269.9°
sep=6.92"
pa=236.2°
sep=9.12"
 
E pa=353.7°
sep=5.87"
pa=342.4°
sep=8.79"
pa=315.1°
sep=4.68"
pa=27.0°
sep=9.41"
 
F pa=106.7°
sep=7.13"
pa=84.2°
sep=4.84"
pa=137.7°
sep=6.18"
pa=87.5°
sep=11.74"
pa=136.6°
sep=10.86"
 
G pa=290.6°
sep=8.35"
pa=299.1°
sep=11.25"
pa=272.3°
sep=10.49"
pa=332.1°
sep=6.22"
pa=248.0°
sep=7.74"
pa=288.8°
sep=15.47"
 
H pa=217.4°
sep=8.77"
pa=238.9°
sep=8.57"
pa=220.1°
sep=12.40"
pa=185.4°
sep=4.43"
pa=200.1°
sep=13.63"
pa=248.0°
sep=13.10"
pa=165.9°
sep=10.21"
 
I pa=132.3°
sep=8.83"
pa=127.0°
sep=5.66"
pa=155.5°
sep=9.30"
pa=106.5°
sep=11.93"
pa=148.7°
sep=13.79"
pa=184.3°
sep=3.91"
pa=121.8°
sep=16.87"
pa=85.1°
sep=11.90"
 
J pa=294.1°
sep=10.20"
pa=300.6°
sep=13.16"
pa=277.8°
sep=12.10"
pa=326.7°
sep=8.03"
pa=259.1°
sep=8.84"
pa=291.1°
sep=17.29"
pa=309.1°
sep=1.94"
pa=340.3°
sep=11.82"
pa=302.5°
sep=18.80"
 
K pa=337.5°
sep=10.56"
pa=333.8°
sep=13.70"
pa=317.2°
sep=9.86"
pa=4.1°
sep=12.34"
pa=319.1°
sep=5.19"
pa=317.4°
sep=16.04"
pa=29.0°
sep=7.80"
pa=4.4°
sep=16.77"
pa=326.1°
sep=18.92"
pa=43.4°
sep=7.70"
 
L pa=310.9°
sep=12.07"
pa=313.2°
sep=15.27"
pa=294.6°
sep=12.96"
pa=338.1°
sep=11.28"
pa=283.7°
sep=8.73"
pa=302.0°
sep=18.80"
pa=345.3°
sep=5.13"
pa=345.7°
sep=15.35"
pa=311.5°
sep=20.90"
pa=3.0°
sep=3.75"
pa=250.0°
sep=5.41"
 
M pa=8.6°
sep=12.79"
pa=359.6°
sep=15.19"
pa=355.8°
sep=10.16"
pa=24.2°
sep=16.67"
pa=20.6°
sep=7.28"
pa=341.5°
sep=15.50"
pa=45.1°
sep=13.75"
pa=20.3°
sep=20.91"
pa=346.1°
sep=19.16"
pa=52.9°
sep=14.08"
pa=64.1°
sep=6.61"
pa=66.7°
sep=12.01"
 
N pa=334.0°
sep=12.80"
pa=331.5°
sep=15.98"
pa=317.3°
sep=12.22"
pa=357.1°
sep=14.07"
pa=318.7°
sep=7.54"
pa=317.5°
sep=18.39"
pa=14.4°
sep=8.84"
pa=359.1°
sep=18.47"
pa=325.2°
sep=21.26"
pa=26.8°
sep=8.22"
pa=317.9°
sep=2.35"
pa=44.3°
sep=5.02"
pa=261.3°
sep=7.61"
 
O pa=339.6°
sep=14.15"
pa=336.3°
sep=17.26"
pa=324.7°
sep=13.16"
pa=359.9°
sep=15.82"
pa=330.0°
sep=8.58"
pa=322.5°
sep=19.31"
pa=15.6°
sep=10.72"
pa=1.1°
sep=20.23"
pa=329.2°
sep=22.37"
pa=25.7°
sep=10.11"
pa=345.6°
sep=3.62"
pa=38.0°
sep=6.80"
pa=275.1°
sep=6.87"
pa=21.1°
sep=1.89"
 
P pa=294.8°
sep=19.25"
pa=298.6°
sep=22.19"
pa=285.4°
sep=20.90"
pa=310.2°
sep=16.46"
pa=277.6°
sep=16.99"
pa=292.6°
sep=26.33"
pa=297.9°
sep=10.94"
pa=321.0°
sep=19.33"
pa=300.3°
sep=27.80"
pa=295.6°
sep=9.05"
pa=262.8°
sep=13.55"
pa=271.1°
sep=8.36"
pa=256.7°
sep=19.93"
pa=253.9°
sep=12.36"
pa=247.5°
sep=13.58"
 
Q pa=309.3°
sep=23.23"
pa=310.8°
sep=26.41"
pa=300.6°
sep=23.98"
pa=322.9°
sep=21.66"
pa=297.1°
sep=19.48"
pa=304.1°
sep=29.94"
pa=319.2°
sep=15.56"
pa=329.7°
sep=25.10"
pa=310.1°
sep=32.06"
pa=320.6°
sep=13.66"
pa=289.6°
sep=14.80"
pa=307.6°
sep=11.17"
pa=275.9°
sep=20.00"
pa=284.6°
sep=12.78"
pa=276.4°
sep=13.13"
pa=355.7°
sep=6.67"
 
R pa=313.8°
sep=25.89"
pa=314.7°
sep=29.11"
pa=305.8°
sep=26.33"
pa=326.1°
sep=24.68"
pa=303.8°
sep=21.72"
pa=308.1°
sep=32.40"
pa=324.1°
sep=18.51"
pa=331.8°
sep=28.25"
pa=313.4°
sep=34.72"
pa=325.8°
sep=16.65"
pa=299.2°
sep=16.77"
pa=316.4°
sep=13.85"
pa=284.4°
sep=21.26"
pa=296.2°
sep=14.57"
pa=288.7°
sep=14.52"
pa=353.1°
sep=9.93"
pa=347.6°
sep=3.29"
 
 
18218-1155 A
 
 
Common name Alasia Meaning Cypriot proposal; first historically recorded name of Cyprus (mid-15th century). Coord arcsec 2000 182149.80-115521.1 Mag 7.95
Spectral class G5 (yellow) PmRA -22.00 PmDE -69.0 SAO 161386
HIP 90004 Tycho2 5685-02670-1 HD 168746 BD BD-11 4606
Tycho2
Tycho2 5685-02670-1 Pflag RAmdeg 275.45742846 DEmdeg -11.92267698
PmRA -21.9 PmDE -66.2 E RAmdeg 7 E DEmdeg 8
E pmRA 1.0 E pmDE 0.9 EpRAm 1990.42 EpDEm 1989.94
Num 16 Q RAmdeg 0.9 Q DEmdeg 1.4 Q pmRA 0.9
Q pmDE 1.6 BTmag 8.830 E BTmag 0.019 VTmag 8.027
E VTmag 0.013 Prox 999 TYC T HIP 90004
CCDM RAdeg 275.45747944 DEdeg -11.92252528 EpRA 1990 1.73
EpDE 1990 1.70 E RAdeg 6.8 E DEdeg 8.1 Posflg
Corr 0.0
SAO
SAO 161386 DelFlag RA1950 PmRA1950 -0.0019
DE1950 PmDE1950 -0.051 Vmag 7.7 SpType G5
Double code Source 20 CatNum 6263 DM BD-11 4606
DMcomp BDsup HD 168746 M HD 0
GC RA1950rad 4.79543771 DE1950rad -0.20850511 PmRA2000 -0.0017
PmDE2000 -0.049
Hipparcos
Catalog H HIP 90004 Proxy RAhms 18 21 49.80
DEdms -11 55 21.1 Vmag 7.95 VarFlag R Vmag H
RAdeg 275.457 DEdeg -11.9225 AstroRef Plx 23.19
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 168746 BD BD-11 4606
CD CP Dm number -11 4606 VIred 0.8
SpType G5 R SpType Coord arcsec 2000 182149.80-115521.1
Hipparcos 2
HIP 90004 Sn 5 So 0 Nc 1
RArad 4.8076400593 DErad -0.2080871415 Plx 23.4 PmRA -23.35
PmDE -68.93 E RArad 0.68 E DErad 0.49 E Plx 0.76
E pmRA 0.72 E pmDE 0.52 Hpmag 8.0882 E Hpmag 0.002
SHp 0.009 VA 0 BV 0.713 E BV 0.015
VI 0.77
 
 
18218-1155 B
 
 
Coord arcsec 2000 182149.94-115523.6 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 C
 
 
Coord arcsec 2000 182149.98-115518.6 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 D
 
 
Coord arcsec 2000 182149.47-115523.7 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 E
 
 
Coord arcsec 2000 182149.76-115515.3 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 F
 
 
Coord arcsec 2000 182150.26-115523.2 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 G
 
 
Coord arcsec 2000 182149.27-115518.2 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 H
 
 
Coord arcsec 2000 182149.44-115528.1 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 I
 
 
Coord arcsec 2000 182150.24-115527.0 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 J
 
 
Coord arcsec 2000 182149.17-115516.9 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 K
 
 
Coord arcsec 2000 182149.53-115511.3 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 L
 
 
Coord arcsec 2000 182149.18-115513.2 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 M
 
 
Coord arcsec 2000 182149.93-115508.5 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 N
 
 
Coord arcsec 2000 182149.42-115509.6 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 O
 
 
Coord arcsec 2000 182149.46-115507.8 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 P
 
 
Coord arcsec 2000 182148.61-115513.0 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 Q
 
 
Coord arcsec 2000 182148.58-115506.4 Calc delta mag 7.95 Calc coord yes
 
 
18218-1155 R
 
 
Coord arcsec 2000 182148.53-115503.2 Calc delta mag 7.95 Calc coord yes