20139+1806 BPMA 242

20^h 13^m 52.56^s +18° 05' 50.5" P.A. 194.00 sep 288.2 mag 15.04,15.48

Coord 2000	20139+1806	Discov num	BPMA242	Comp		Coord arcsec 2000	20 13 52.56 +18 05 50.5
Date first	1997	Date last	2015	Obs	9
Pa first	194	Pa last	194	P.A. Now (θ)	194°
Sep first	287.9	Sep last	288.157	Sep. Now (ρ)	288.157"
Mag pri	15.04	Mag sec	15.48	delta mag (ΔM)	0.44	Spectral class
Pri motion ra	-012	Sec motion ra	-021
Pri motion dec	-021	Sec motion dec	-033
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.383

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagitta

Gaia DR2

1810204990159563520

WDS 20139+1806 BPMA 242 : NOTES

discov_num	notes	refcode
BPMA242	[PM2000] 2225750 + [PM2000] 2225233.	Gvr2010

REFERENCES

refcode	metd	author	reference
Gvr2010	Pa -	Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C.	2010A&A...521A 4G
Gvr2010	+T	A&A 521, A4, 2010
Gvr2010		(Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000
Gvr2010		catalogs, spanning years ~1900-2000)

DISCOVERER

idgroup	discov	author
1	BPM	Bordeaux PM2000 catalogue (main catalog: separation < 2')

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20139+1806	BPMA242		2000	2	194	288.1	15.04	15.48		NV	201352.56+180550.5
20139+1806	BPMA242		2001	3	194	288.0	15.04	15.48		NV	201352.56+180550.5
20139+1806	BPMA242		2010	4	194	288.5	15.04	15.48		NV	201352.56+180550.5
20139+1806	BPMA242		2015	5	194	288.1	15.04	15.48		NV	201352.56+180550.5

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

WDS 20139+1806 BPMA 242 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20139+1806 BPMA 242 : MEASURES

No records found.

WDS 20139+1806 : VIRTUAL EYEPIECE

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WDS 20139+1806 : ALADIN DSS IMAGE @ 20^h 13^m 52.56^s +18° 05' 50.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20139+1806 BPMA 242 : NEIGHBORHOODS

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		20139+1806	BPMA242		194	288.2
Show		20146+1809	J 3064	BC	220	4.4	11
Show		20146+1809	J 3064	AB	192	28.8	11
Show		20149+1808	BPM2075		80	115.1	15
Show		20139+1751	BPM2067		214	113.1	15
Show		20127+1806	J 2303	BC	322	4.5	16
Show	Sansuna	20127+1806	J 2303	AB	50	23.6	16
Show		20153+1807	BPM2079		251	47.7	21
Show		20159+1822	J 2602		348	2.8	32
Show		20160+1819	BPMA243		320	256.2	34
Show		20170+1805	J 2307		117	6.1	41
Show		20164+1745	J 1109	AB	331	6.4	43
Show		20164+1745	J 1109	AC	9	8.4	43
Show		20108+1827	J 506		306	3.5	49
Show		20107+1750	BPM2044		18	88.9	49
Show		20158+1849	J 507		56	6.1	51
Show		20147+1856	J 3065		343	6.6	52
Show		20160+1850	J 508		146	2.9	54
Show		20131+1713	BPM2062		122	118.9	54
Show		20123+1856	J 3056		256	6.3	56
Show		20177+1755	J 1340		312	1.8	57
Show		20137+1904	J 3062		9	5.7	59
Show		20122+1712	BPM2054		267	31.2	60
Show		20159+1714	KPP 465		12	3.7	60
Show		20177+1739	BPMA245		202	257.4	61
Show		20188+1751	J 3314		70	3.4	64
Show		20182+1820	HU 357		195	1.8	64
Show		20099+1836	BRT2468		48	1.9	64
Show		20102+1723	BPM2041	BC	175	111.1	68
Show		20170+1716	OSO 123	AB	264	10.0	68
Show		20170+1716	OSO 123	AC	349	17.9	68
Show		20170+1716	OSO 123	AD	99	21.1	68
Show		20170+1716	OSO 123	AE	44	26.2	68
Show		20102+1723	BPM2040	AB	78	72.5	69
Show		20102+1723	BPM2042	CD	104	103.5	69
Show		20092+1822	HU 354		19	0.6	69
Show		20090+1808	HJ 2932	AB	165	13.5	69
Show		20090+1808	HJ 2932	AC	217	24.3	69
Show		20090+1808	HJ 2932	AD	322	13.0	69
Show		20181+1736	HJ 2946		237	13.9	70
Show		20097+1724	J 833		115	4.9	73
Show		20085+1806	BPM2021		43	123.6	77
Show		20159+1655	GWP2932		14	15.0	77
Show		20192+1753	BPM2106		39	22.5	77
Show		20143+1648	BPM2070		296	119.8	79
Show		20123+1650	BPM2056		137	25.4	79
Show		20106+1701	BPM2043		206	50.5	80
Show		20204+1825	J 3076		209	5.9	81
Show		20203+1826	J 3075		104	4.9	81
Show		20184+1719	BPM2099		127	114.8	81
Show		20129+1924	J 3060		196	6.3	81

WDS 20139+1806 : COMPONENTS

	A
B	pa=193.3° sep=287.35"

20139+1806 A

Componente originario normalizzato	AB		Coord arcsec 2000	201352.56+180550.5		Mag	15.04		PmRA	-12.00
PmDE	-21.0

20139+1806 B

Componente originario normalizzato	AB		Coord arcsec 2000	201347.91+180110.9		Mag	15.48		PmRA	-21.00
PmDE	-33.0		Calc delta mag	0.44		Calc coord	yes