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Doubles in session


Current system
11148-7734
LAF 19


Nearby doubles
2' : 11144-7733
BRR 4

14' : 11127-7722
WOI 1AB

14' : 11106-7733
KSA 65AB

16' : 11109-7725
KSA 66

17' : 11098-7738
GHE 29

17' : 11098-7731
PSI 3AB

19' : 11106-7722
LOP 3AB

19' : 11097-7726
KSA 57

19' : 11092-7729
REP 20AB

20' : 11089-7732
KSA 51

21' : 11162-7714
DAM 366

22' : 11085-7739
NHR 7AB

22' : 11083-7734
GHE 27AB

22' : 11084-7740
NHR 5AB

22' : 11083-7739
NHR 4AB

22' : 11105-7717
KSA 64

23' : 11084-7742
NHR 6AB

23' : 11080-7739
GHE 34AB

24' : 11077-7734
AHM 2

24' : 11079-7727
AGE 3AB

24' : 11076-7734
LAF 6AB

24' : 11076-7735
KSA 43AB

24' : 11080-7742
GHE 35AB

24' : 11078-7740
NHR 3AB

25' : 11073-7738
REP 17AB

27' : 11072-7744
KSA 41



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

11148-7734 LAF 19

 
 
11h 14m 50.38s -77° 33' 38.9" P.A. 237.00 sep 0.3 mag 9.80,11.30 Sp M2+M4
 
 
Coord 2000 11148-7734 Discov num LAF  19 Comp Coord arcsec 2000 11 14 50.38 -77 33 38.9
Date first 2006 Date last 2018 Obs 3
Pa first 235 Pa last 237.4 P.A. Now (θ) 237.4°
Sep first 0.3 Sep last 0.275 Sep. Now (ρ) 0.275"
Mag pri 9.80 Mag sec 11.30 delta mag (ΔM) 1.5 Spectral class M2+M4 (red/red)
Pri motion ra -023 Sec motion ra
Pri motion dec +007 Sec motion dec
Notes N K (See Notes, 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
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Chamaeleon Gaia DR2 5201143689663441536
 
 
WDS 11148-7734 LAF 19 : NOTES
 
 
discov_num notes refcode
LAF 19 Daemen et al derive component properties (units K,Lsun,Myr,Msun,Rsun):
A: SpT = M2 +- 1 Teff = 3560 +- 150 L = 0.19 +- 0.04
Age = 4.0 +4.0/-1.3 M = 0.37 +0.10/-0.05 R = 1.15 +- 0.05
B: SpT = M4 Teff = 3270 +- 150 L = 0.05 +- 0.01
Age = 8.0 +7.0/-3.2 M = 0.20 +0.07/-0.05 R = 0.71 +- 0.03 Dae2013
 
 
REFERENCES
 
 
refcode metd author reference
Dae2013 A j Daemgen, S., Petr-Gotzens, M.G., Correia, S., Teixeira, P.S., Brandner, W., 2013A&A...554A..43D
Dae2013 Kley, W., & Zinnecker, H.
Dae2013 A&A 554, A43, 2013
 
 
DISCOVERER
 
 
idgroup discov author
1 LAF Lafreniere, D., Doyon, R., Marois, C., Nadeau, D., Oppenheimer, B.R., Roche, P.F.,
1 LAF Rigaut, F., Graham, J.R., et al.
10 LAF Lafreniere, D., Jayawardhana, R., Janson, M., Helling, C., Witte, S., &
10 LAF Hauschildt, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11148-7734 LAF 19 2006 1 235 0.3 14.30   M2.75 D 111450.38-773338.9
11148-7734 LAF 19 2011 2 236 0.3 9.80 11.30 M2 M4 N K 111450.38-773338.9
11148-7734 LAF 19 2018 3 237 0.3 9.80 11.30 M2+M4 N K 111450.38-773338.9

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

 
 
WDS 11148-7734 LAF 19 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11148-7734 LAF 19 : MEASURES
 
 
No records found.

 
 
WDS 11148-7734 : VIRTUAL EYEPIECE
 
 

11148-7734 LAF 19A mag 9.8 Sp M2 11148-7734 LAF 19B sep 0.2 P.A. 198.60 mag 11.3 Sp M4 virtual eyepiece
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Radius:
Components only
 
 
WDS 11148-7734 : ALADIN DSS IMAGE @ 11h 14m 50.38s -77° 33' 38.9"
 
 
 
 
WDS 11148-7734 LAF 19 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11148-7734 LAF 19 distance=0' 11144-7733 BRR 4 distance=2' 11127-7722 WOI 1AB distance=14' 11127-7722 LAF 16AC distance=14' 11106-7733 GHE 36Aa,Ab distance=14' 11106-7733 KSA 65AB distance=14' 11109-7725 KSA 66 distance=16' 11098-7738 GHE 29 distance=17' 11098-7731 PSI 3AB distance=17' 11098-7731 PSI 3AE distance=17' 11098-7731 PSI 3BC distance=17' 11098-7731 PSI 3BD distance=17' 11098-7731 PSI 3EF distance=17' 11106-7722 LOP 4BC distance=18' 11106-7722 LAF 13Aa,Ab distance=19' 11106-7722 LOP 3AB distance=19' 11106-7722 LOP 4AC distance=19' 11097-7726 KSA 57 distance=19' 11092-7729 REP 20AB distance=19' 11092-7729 REP 20AC distance=19' 11092-7729 REP 20BC distance=19' 11089-7732 KSA 51 distance=20' 11162-7714 DAM 366 distance=21' 11085-7739 NHR 7AB distance=22' 11085-7739 KSA 50AC distance=22' 11083-7734 GHE 27AB distance=22' 11083-7734 SDT 4Ba,Bb distance=22' 11084-7740 NHR 5AB distance=22' 11084-7740 NHR 5AC distance=22' 11084-7740 NHR 5AD distance=22' 11083-7739 NHR 4AB distance=22' 11083-7739 NHR 4AC distance=22' 11083-7739 NHR 4AD distance=22' 11105-7717 KSA 64 distance=22' 11084-7742 NHR 6AB distance=23' 11084-7742 SDT 5Aa,Ab distance=23' 11080-7739 LAF 8BC distance=23' 11080-7739 GHE 34AB distance=23' 11080-7739 SDT 3Aa,Ab distance=23' 11077-7734 AHM 2 distance=24' 11079-7727 AGE 4Ba,Bb distance=24' 11079-7727 AGE 3AB distance=24' 11079-7727 KSA 48AC distance=24' 11076-7734 LAF 6AB distance=24' 11076-7734 KSA 44AC distance=24' 11076-7735 KSA 45BC distance=24' 11076-7735 KSA 43AB distance=24' 11080-7742 GHE 35AB distance=24' 11080-7742 GHE 35AC distance=24' 11080-7742 SZR 1AD distance=24' 11080-7742 BNK 1Ba,Bb distance=24' 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 11148-7734 LAF 19 237 0.3
Show 11144-7733 BRR 4 69 5.5 2
Show 11127-7722 WOI 1 AB 253 0.2 14
Show 11127-7722 LAF 16 AC 81 2.4 14
Show 11106-7733 GHE 36 Aa,Ab 318 0.1 14
Show 11106-7733 KSA 65 AB 252 13.5 14
Show 11109-7725 KSA 66 245 28.4 16
Show 11098-7738 GHE 29 53 0.7 17
Show 11098-7731 PSI 3 AB 226 2.3 17
Show 11098-7731 PSI 3 AE 313 18.6 17
Show 11098-7731 PSI 3 BC 130 1.6 17
Show 11098-7731 PSI 3 BD 321 1.4 17
Show 11098-7731 PSI 3 EF 295 1.1 17
Show 11106-7722 LOP 4 BC 35 6.0 18
Show 11106-7722 LAF 13 Aa,Ab 30 0.1 19
Show 11106-7722 LOP 3 AB 146 9.5 19
Show 11106-7722 LOP 4 AC 109 9.3 19
Show 11097-7726 KSA 57 214 5.6 19
Show 11092-7729 REP 20 AB 19 1.3 19
Show 11092-7729 REP 20 AC 70 4.5 19
Show 11092-7729 REP 20 BC 85 3.9 19
Show 11089-7732 KSA 51 19 20.8 20
Show 11162-7714 DAM 366 222 4.8 21
Show 11085-7739 NHR 7 AB 326 4.8 22
Show 11085-7739 KSA 50 AC 23 21.0 22
Show 11083-7734 GHE 27 AB 284 2.5 22
Show 11083-7734 SDT 4 Ba,Bb 88 0.2 22
Show 11084-7740 NHR 5 AB 95 3.4 22
Show 11084-7740 NHR 5 AC 35 3.9 22
Show 11084-7740 NHR 5 AD 252 5.5 22
Show 11083-7739 NHR 4 AB 123 2.4 22
Show 11083-7739 NHR 4 AC 203 3.6 22
Show 11083-7739 NHR 4 AD 70 3.7 22
Show 11105-7717 KSA 64 297 29.5 22
Show 11084-7742 NHR 6 AB 223 1.4 23
Show 11084-7742 SDT 5 Aa,Ab 112 0.0 23
Show 11080-7739 LAF 8 BC 229 0.3 23
Show 11080-7739 GHE 34 AB 82 16.4 23
Show 11080-7739 SDT 3 Aa,Ab 272 0.5 23
Show 11077-7734 AHM 2 40 0.2 24
Show 11079-7727 AGE 4 Ba,Bb 8 0.1 24
Show 11079-7727 AGE 3 AB 117 1.8 24
Show 11079-7727 KSA 48 AC 80 20.7 24
Show 11076-7734 LAF 6 AB 35 1.4 24
Show 11076-7734 KSA 44 AC 5 24.6 24
Show 11076-7735 KSA 45 BC 169 14.3 24
Show 11076-7735 KSA 43 AB 169 28.1 24
Show 11080-7742 GHE 35 AB 186 0.7 24
Show 11080-7742 GHE 35 AC 56 2.7 24
Show 11080-7742 SZR 1 AD 220 16.8 24
Show 11080-7742 BNK 1 Ba,Bb 231 0.1 24

 
 
WDS 11148-7734 : COMPONENTS
 
 
  A
B pa=198.6°
sep=0.16"
 
 
11148-7734 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 111450.38-773338.9 Mag 9.8 Spectral class M2 (red)
PmRA -23.00 PmDE 7.0
 
 
11148-7734 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 111450.36-773339.0 Mag 11.3 Spectral class M4 (red)
Calc delta mag 1.5 Calc coord yes