18181-1118 SNA 86

18^h 18^m 03.34^s -11° 17' 38.8" P.A. 68.00 sep 7.2 mag 6.54,10.90 Sp O8Ib

Coord 2000	18181-1118	Discov num	SNA 86	Comp		Coord arcsec 2000	18 18 03.34 -11 17 38.8
Date first	1999	Date last	2012	Obs	2
Pa first	70	Pa last	68	P.A. Now (θ)	68°
Sep first	6.7	Sep last	7.21	Sep. Now (ρ)	7.21"
Mag pri	6.54	Mag sec	10.90	delta mag (ΔM)	4.36	Spectral class	O8Ib (blue)
Pri motion ra	-001	Sec motion ra
Pri motion dec	-003	Sec motion dec
Notes	V K (Proper motion indicates 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 physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Serpens

Gaia DR2

4153933111306297600

WDS 18181-1118 SNA 86 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Sna2006	not -	Sana, H., Gosset, E., Rauw, G., Sung, H., & Vreux, J.-M.	2006A&A...454.1047S
Sna2006		A&A 454, 1047, 2006
Sna2007	not -	Sana, H., Rauw, G., & Gosset, E.	2007ApJ...659.1582S
Sna2007		ApJ 659, 1582, 2007
Sna2008a	not -	Sana, H., Gosset, E., Naze, Y., Rauw, G., & Linder, N.	2008MNRAS.386..447S
Sna2008a		MNRAS 386, 447, 2008
Sna2008b	not -	Sana, H., Naze, Y., O'Donnell, B., Rauw, G., & Gosset, E.	2008NewAst.13..202S
Sna2008b		New Astron. 13, 202, 2008
Sna2009	not -	Sana, H., Gosset, E., & Evans, C.J.	2009MNRAS.400.1479S
Sna2009		MNRAS 400, 1479, 2009
Sna2011a	not -	Sana, H., James, G., & Gosset, E.	2011MNRAS.416..817S
Sna2011a		MNRAS 416, 817, 2011
Sna2011b	not -	Sana, H., LeBouquin, J.-B., DeBecker, M., Berger, J., de Koter, A., & Merand, A.	2011ApJ...740L..43S
Sna2011b		ApJ 740, L43
Sna2012	not -	Sana, H., de Mink, S.E., de Koter, A., et al.	2012Sci...337..444S
Sna2012		Science 337, 444, 2012
Sna2013	Kv j	Sana, H., LeBouquin, J.-B., Mahy, L., Absil, O., DeBecker, M., & Gosset	2013A&A...553A.131S
Sna2013		A&A 553, A131, 2013
Sna2014	Kv j	Sana, H., LeBouquin, J.-B., Lacour, S., Berger, J.-P., Duvert, G., Gauchet, L.,	2014ApJS..215...15S
Sna2014	+A	Norris, B., Olofsson, J., Pickel, D., Zins, G., Absil, O., de Koter, A.,
Sna2014		Kratter, K., Schnurr, O., & Zinnecker, H.
Sna2014		ApJS 215, 15, 2014
Sna2014		(NACO companions in Table 6 assumed physical if quoted probability of spurious
Sna2014		detection <10%, optical if >90%, otherwise indeterminate)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18181-1118	SNA 86		2012	1	68	7.2	6.54	10.90	O8Ib	V K	181803.34-111738.8

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WDS 18181-1118 SNA 86 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18181-1118 SNA 86 : MEASURES

No records found.

WDS 18181-1118 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 18181-1118 : ALADIN DSS IMAGE @ 18^h 18^m 03.34^s -11° 17' 38.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18181-1118 SNA 86 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		18181-1118	SNA 86		68	7.2
Show		18189-1101	HU 60		260	1.4	21
Show		18161-1111	HDS2579		78	7.8	30
Show		18202-1137	BRT2751		24	3.9	38
Show		18181-1155	TDT 783		67	0.5	38
Show		18183-1157	BRT2750		40	1.5	41
Show		18182-1159	SKF1505		3	3.1	42
Show		18207-1138	SKF2802		344	5.6	45
Show		18175-1206	WRS 12		134	8.8	50
Show		18187-1206	SNA 90	Aa,Ab	303	0.0	50
Show		18187-1206	SNA 90	AB	34	3.0	50
Show		18187-1206	SNA 90	AC	267	7.6	50
Show		18146-1113	HLD 142		253	1.3	51
Show		18181-1215	DBK 1	Aa,Ab	262	0.0	57
Show		18181-1215	TRN 27	AB	40	4.8	57
Show		18181-1215	SS 7	AC	191	14.4	57
Show		18181-1215	SS 7	AD	260	18.1	57
Show		18181-1215	SS 7	AE	217	18.1	57
Show		18181-1215	SS 7	AF	16	30.1	57
Show		18181-1215	SS 7	AG	9	39.4	57
Show		18181-1215	SS 7	AH	268	40.8	57
Show		18181-1215	SS 7	AI	299	45.7	57
Show		18181-1215	SS 7	AJ	258	45.4	57
Show		18181-1215	SS 7	AK	262	48.6	57
Show		18181-1215	SS 7	AL	348	51.8	57
Show		18181-1215	SS 7	AM	255	64.4	57
Show		18181-1215	SS 7	AN	280	71.3	57
Show		18181-1215	SS 7	AO	305	72.1	57
Show		18181-1215	SS 7	AP	285	72.5	57
Show		18181-1215	SS 7	AQ	291	84.9	57
Show		18181-1215	BRT2749	KJ	121	4.3	58
Show		18181-1214	LNV 7		51	4.3	58
Show		18218-1139	HU 62		25	0.5	59
Show		18164-1214	BRT2747		4	3.9	61
Show	Alasia	18218-1155	EGN 22	AB	141	3.3	68
Show	Alasia	18218-1155	EGN 22	AC	47	3.7	68
Show	Alasia	18218-1155	EGN 22	AD	243	5.6	68
Show	Alasia	18218-1155	EGN 22	AE	354	5.9	68
Show	Alasia	18218-1155	EGN 22	AF	106	7.3	68
Show	Alasia	18218-1155	EGN 22	AG	290	8.5	68
Show	Alasia	18218-1155	EGN 22	AH	218	8.8	68
Show	Alasia	18218-1155	EGN 22	AI	132	8.9	68
Show	Alasia	18218-1155	EGN 22	AJ	294	10.4	68
Show	Alasia	18218-1155	EGN 22	AK	337	10.6	68
Show	Alasia	18218-1155	EGN 22	AL	310	12.2	68
Show	Alasia	18218-1155	EGN 22	AM	9	12.8	68
Show	Alasia	18218-1155	EGN 22	AN	334	12.9	68
Show	Alasia	18218-1155	EGN 22	AO	339	14.2	68
Show	Alasia	18218-1155	EGN 22	AP	294	19.6	68
Show	Alasia	18218-1155	EGN 22	AQ	309	23.5	68
Show	Alasia	18218-1155	EGN 22	AR	313	26.2	68

WDS 18181-1118 : COMPONENTS

	A
B	pa=67.6° sep=7.09"

18181-1118 A

Componente originario normalizzato	AB		Coord arcsec 2000	181803.34-111738.8		Mag	6.54		Spectral class	O8Ib (blue)
PmRA	-1.00		PmDE	-3.0

18181-1118 B

Componente originario normalizzato	AB		Coord arcsec 2000	181803.79-111736.1		Mag	10.9		Calc delta mag	4.36
Calc coord	yes