19156+1831 BLL 37 (HD 180377)

19^h 15^m 33.36^s +18° 30' 58.9" P.A. 165.00 sep 139.4 mag 6.67,12.44 Sp M2III dist. 257.73 pc (840.72 l.y.)

Coord 2000	19156+1831	Discov num	BLL 37	Comp		Coord arcsec 2000	19 15 33.36 +18 30 58.9
Date first	1879	Date last	2015	Obs	8
Pa first	165	Pa last	164.7	P.A. Now (θ)	164.7°
Sep first	136.4	Sep last	139.363	Sep. Now (ρ)	139.363"
Mag pri	6.67	Mag sec	12.44	delta mag (ΔM)	5.77	Spectral class	M2III (red)
Pri motion ra	-011	Sec motion ra	+000
Pri motion dec	+010	Sec motion dec	-009
Notes

rPM=1.477

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 180377	Constellation	Sagitta	SAO	104662	HIP	94646
Tycho2	1603-01605-1	Gaia DR2	4515265965460372096	HD	180377	GC	26547
BD	BD+18 4011	Distance	257.73	Distance ly	840.72

WDS 19156+1831 BLL 37 (HD 180377) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Bll1872	orb -	Ball, R.S.	.
Bll1872		Proc. Royal Irish Acad., June 1872
Bll1884	Ma j	Ball, R.S.	1884DunOP...5....1B
Bll1884		Pub. Dunsink Obs. 5, 1, 1884
Bll1913A	Ma -	Ball, R.S.	1913QB811.B8.......
Bll1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Bll1932A	-	Ball, R.S.	1932QB821.A43......
Bll1932A		cited in ADS (Aitken Double Star Cat.), 1932

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19156+1831	BLL 37		1997	5	165	138.8	6.67	12.17	M2III	D	191533.36+183058.9
19156+1831	BLL 37		2001	6	165	139.4	6.67	12.17	M2III	D	191533.36+183058.9
19156+1831	BLL 37		2010	7	165	138.5	6.67	12.44	M2III		191533.36+183058.9
19156+1831	BLL 37		2015	8	165	139.4	6.67	12.44	M2III		191533.36+183058.9

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

WDS 19156+1831 BLL 37 (HD 180377) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19156+1831 BLL 37 (HD 180377) : MEASURES

No records found.

WDS 19156+1831 (HD 180377) : VIRTUAL EYEPIECE

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

WDS 19156+1831 (HD 180377) : ALADIN DSS IMAGE @ 19^h 15^m 33.36^s +18° 30' 58.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19156+1831 BLL 37 (HD 180377) : 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		19156+1831	BLL 37		165	139.4
Show		19151+1810	J 1174		297	3.2	22
Show		19172+1853	HU 336		191	1.6	33
Show		19143+1904	STF2484		241	2.1	38
Show		19147+1918	LDS1020	AB	179	40.8	50
Show		19147+1918	BWL 49	AC	353	2.2	50
Show		19147+1918	BWL 49	AD	26	2.6	50
Show		19147+1918	BWL 49	AE	56	3.5	50
Show		19147+1918	BWL 49	AF	62	4.3	50
Show		19147+1918	BWL 49	AG	72	3.7	50
Show		19147+1918	BWL 49	AH	73	4.6	50
Show		19147+1918	BWL 49	AI	67	5.4	50
Show		19147+1918	BWL 49	AJ	63	5.0	50
Show		19147+1918	BWL 49	AK	49	6.8	50
Show		19147+1918	BWL 49	AL	57	7.2	50
Show		19147+1918	BWL 49	AM	91	4.3	50
Show		19147+1918	BWL 49	AN	88	4.7	50
Show		19147+1918	BWL 49	AO	102	3.3	50
Show		19147+1918	BWL 49	AP	128	5.9	50
Show		19147+1918	BWL 49	AQ	135	6.8	50
Show		19147+1918	BWL 49	AR	134	7.8	50
Show		19147+1918	BWL 49	AS	175	4.8	50
Show		19147+1918	BWL 49	AT	155	2.4	50
Show		19147+1918	BWL 49	AU	160	2.3	50
Show		19147+1918	BWL 49	AV	243	2.7	50
Show		19147+1918	BWL 49	AW	299	4.1	50
Show		19147+1918	BWL 49	AX	321	4.1	50
Show		19147+1918	BWL 49	AY	14	3.9	50
Show		19147+1918	BWL 49	A,Za	11	4.4	50
Show		19147+1918	BWL 49	A,Zb	7	5.1	50
Show		19147+1918	BWL 49	A,Zc	6	5.5	50
Show		19147+1918	BWL 49	A,Zd	25	5.1	50
Show		19147+1918	BWL 49	A,Ze	237	5.1	50
Show		19147+1918	BWL 49	A,Zf	254	5.4	50
Show		19147+1918	BWL 49	A,Zg	258	5.4	50
Show		19147+1918	BWL 49	A,Zh	242	6.9	50
Show		19147+1918	BWL 49	A,Zi	272	5.8	50
Show		19147+1918	BWL 49	A,Zj	270	5.5	50
Show		19147+1918	BWL 49	A,Zk	295	5.2	50
Show		19147+1918	BWL 49	A,Zl	299	4.9	50
Show		19147+1918	BWL 49	A,Zm	313	6.5	50
Show		19147+1918	BWL 49	A,Zn	320	6.6	50
Show		19147+1918	BWL 49	A,Zo	324	7.0	50
Show		19147+1918	BWL 49	A,Zp	330	6.5	50
Show		19147+1918	BWL 49	A,Zq	336	7.6	50
Show		19147+1918	BWL 49	A,Zr	353	5.6	50
Show		19147+1918	BWL 49	A,Zs	1	4.0	50
Show		19130+1908	STF2482		341	1.8	52
Show		19179+1912	CHX 17		113	3.5	53
Show		19118+1809	HU 334	AB	249	1.6	58
Show		19118+1809	GII 280	Aa,Ab	6	0.2	58

WDS 19156+1831 : COMPONENTS

	A
B	pa=165.5° sep=138.87"

19156+1831 A

Componente originario normalizzato	AB	Name	HD 180377	Coord arcsec 2000	191533.36+183058.9	Mag	6.67
Spectral class	M2III (red)	PmRA	-11.00	PmDE	10.0	SAO	104662
HIP	94646	Tycho2	1603-01605-1	HD	180377	GC	26547
BD	BD+18 4011

Tycho2

Tycho2	1603-01605-1	Pflag		RAmdeg	288.88901064	DEmdeg	18.51635185
PmRA	-11.4	PmDE	10.4	E RAmdeg	4	E DEmdeg	4
E pmRA	1.1	E pmDE	1.1	EpRAm	1991.32	EpDEm	1991.35
Num	13	Q RAmdeg	0.2	Q DEmdeg	0.8	Q pmRA	0.4
Q pmDE	0.6	BTmag	8.726	E BTmag	0.016	VTmag	6.671
E VTmag	0.010	Prox	999	TYC	T	HIP	94646
CCDM		RAdeg	288.88903889	DEdeg	18.51632750	EpRA 1990	1.54
EpDE 1990	1.59	E RAdeg	3.9	E DEdeg	3.9	Posflg
Corr	-0.3

SAO

SAO	104662	DelFlag		RA1950		PmRA1950	-0.001
DE1950		PmDE1950	0.001	Vmag	6.7	SpType	K5
Double code		Source	70	CatNum	26547	DM	BD+18 4011
DMcomp		BDsup		HD	180377	M HD	0
GC	26547	RA1950rad	5.03242178	DE1950rad	0.32161479	PmRA2000	-0.0009
PmDE2000	0

Hipparcos

Catalog	H	HIP	94646	Proxy		RAhms	19 15 33.37
DEdms	+18 30 58.8	Vmag	6.46	VarFlag	2	R Vmag	H
RAdeg	288.889	DEdeg	18.5163	AstroRef		Plx	3.04
CCDM	19156+1830	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	180377	BD	BD+18 4011
CD		CP		Dm number	+18 4011	VIred	2.18
SpType	M2III	R SpType		Coord arcsec 2000	191533.37+183058.8

Hipparcos 2

HIP	94646	Sn	5	So	0	Nc	1
RArad	5.0420649418	DErad	0.3231708948	Plx	3.88	PmRA	-11
PmDE	10.26	E RArad	0.33	E DErad	0.36	E Plx	0.53
E pmRA	0.47	E pmDE	0.46	Hpmag	6.5196	E Hpmag	0.0019
SHp	0.021	VA	2	BV	1.743	E BV	0.008
VI	2.24

19156+1831 B

Componente originario normalizzato	AB		Coord arcsec 2000	191535.81+182844.5		Mag	12.44		PmRA	0.00
PmDE	-9.0		Tycho2	1603-00215-1		Calc delta mag	5.77		Calc coord	yes

Tycho2

Tycho2	1603-00215-1	Pflag		RAmdeg	288.89968560	DEmdeg	18.47907120
PmRA	-4.0	PmDE	-9.0	E RAmdeg	73	E DEmdeg	72
E pmRA	2.3	E pmDE	2.3	EpRAm	1979.80	EpDEm	1980.12
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	12.574	E BTmag	0.171	VTmag	12.175
E VTmag	0.163	Prox	999	TYC		HIP
CCDM		RAdeg	288.89969556	DEdeg	18.47909222	EpRA 1990	1.52
EpDE 1990	1.59	E RAdeg	78.2	E DEdeg	76.8	Posflg
Corr	-0.3