20233+1515 BPM 2138 AB

20^h 23^m 16.27^s +15° 14' 47.3" P.A. 179.00 sep 54.0 mag 12.57,14.84

Coord 2000	20233+1515	Discov num	BPM2138	Comp	AB	Coord arcsec 2000	20 23 16.27 +15 14 47.3
Date first	1970	Date last	2015	Obs	8
Pa first	179	Pa last	178.7	P.A. Now (θ)	178.7°
Sep first	53.8	Sep last	54.001	Sep. Now (ρ)	54.001"
Mag pri	12.57	Mag sec	14.84	delta mag (ΔM)	2.27	Spectral class
Pri motion ra	-003	Sec motion ra	+004
Pri motion dec	-004	Sec motion dec	-008
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.901

This double is physical.

20233+1515 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 23 16 +15 14 47	BPM 2138 AB	2015	8	179	54.0	12.57	14.84	2.27		<===
Show			20 23 16 +15 14 47	BPM 2139 AC	2015	8	359	111.7	12.57	15.44	2.87
Show			20 23 16 +15 13 53	BPM 2140 BD	2015	8	306	82.6	14.84	14.25	0.59

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1805667030781232256

WDS 20233+1515 BPM 2138 AB : NOTES

discov_num	notes	refcode
BPM2138	AB: [PM2000] 2282543 + [PM2000] 2282550.	Gvr2010
BPM2139	AC: [PM2000] 2282543 + [PM2000] 2282527.	Gvr2010
BPM2140	BD: [PM2000] 2282550 + [PM2000] 2282126.	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
20233+1515	BPM2138	AB	1999	2	179	54.0	12.73	14.84		NV	202316.27+151447.3
20233+1515	BPM2138	AB	2001	3	179	53.9	12.73	14.84		NV	202316.27+151447.3
20233+1515	BPM2138	AB	2015	4	179	53.9	12.57	14.84		NV	202316.27+151447.3

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

WDS 20233+1515 BPM 2138 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20233+1515 BPM 2138 AB : MEASURES

No records found.

WDS 20233+1515 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 20233+1515 : ALADIN DSS IMAGE @ 20^h 23^m 16.27^s +15° 14' 47.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20233+1515 BPM 2138 AB : 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		20233+1515	BPM2138	AB	179	54.0
Show		20233+1515	BPM2139	AC	359	111.7
Show		20233+1515	BPM2140	BD	306	82.6	1
Show		20231+1508	BPM2137		314	41.6	8
Show		20226+1510	LDS4838		25	19.4	10
Show		20226+1529	BPM2133		169	63.6	18
Show		20230+1533	BPM2136		245	91.7	19
Show		20221+1501	BPM2130		349	49.5	23
Show		20219+1504	BPM2129		150	90.8	23
Show		20246+1459	BPM2145		162	73.2	26
Show		20215+1511	BPM2125		188	114.3	27
Show		20250+1532	TDS1072		161	0.9	31
Show		20248+1452	STF2680		288	16.2	32
Show		20252+1532	TDT2256		43	0.9	33
Show		20240+1443	BPM2143		221	87.9	34
Show		20250+1451	J 842		180	4.2	34
Show		20257+1510	BPM2153		113	95.6	36
Show		20239+1437	LDS4839		311	10.4	38
Show		20247+1443	HJ 1508	AB	59	13.9	38
Show		20247+1443	VLM 4	AC	152	17.4	38
Show		20206+1519	BPM2122		117	119.3	39
Show		20216+1546	BPM2126		343	112.6	40
Show		20250+1443	BPM2147		65	92.4	41
Show		20247+1438	HJ 1507		64	10.4	42
Show		20203+1525	BPM2117		49	101.6	45
Show		20216+1556	BPM2127		197	109.9	48
Show		20212+1553	BPM2124		59	81.4	49
Show		20204+1447	BPM2119		30	110.7	51
Show		20212+1433	AG 403		292	43.1	52
Show		20259+1549	BPM2154		206	93.0	52
Show		20255+1555	BPM2152		335	107.4	52
Show		20263+1445	J 3085		206	6.0	53
Show		20197+1507	BPM2113		3	78.8	53
Show		20197+1522	A 1673		55	1.0	53
Show		20201+1540	GWP2939		40	24.7	53
Show		20236+1421	BPM2141		171	109.3	54
Show		20255+1431	BPM2151		294	48.5	55
Show		20196+1502	BPM2112		85	109.1	55
Show		20194+1507	BPM2110		256	78.9	57
Show		20195+1533	HDS2905		116	0.3	58
Show		20192+1517	BPM2107		264	67.4	59
Show		20194+1534	TOB 310		239	16.3	60
Show		20270+1541	BPM2165		182	62.1	60
Show		20207+1601	YSC 70		159	0.5	60
Show		20209+1604	BPM2123		22	86.6	61
Show		20275+1514	J 3087		329	6.2	61
Show		20198+1550	STE 2		164	8.1	62
Show		20253+1609	BPM2150		238	101.1	62
Show		20253+1420	BPM2149		339	38.5	62
Show		20190+1526	BPM2104		293	93.0	63
Show		20190+1530	BKO 563		147	9.2	63

WDS 20233+1515 : COMPONENTS

	A	B	C
B	pa=179.1° sep=54.01"
C	pa=358.7° sep=111.72"	pa=358.9° sep=165.73"
D	pa=265.1° sep=63.82"	pa=307.0° sep=80.69"	pa=207.6° sep=132.15"

20233+1515 A

Coord arcsec 2000

202316.27+151447.3

Mag

12.57

PmRA

-3.00

PmDE

-4.0

20233+1515 B

Coord arcsec 2000	202316.33+151353.3		Coord calc	202316.33+151353.3		Mag	14.84		PmRA	4.00
PmDE	-8.0		Calc delta mag	2.27

20233+1515 C

Coord arcsec 2000	202316.10+151639.0		Mag	15.44		PmRA	-3.00		PmDE	-3.0
Calc delta mag	2.87		Calc coord	yes

20233+1515 D

Coord arcsec 2000	202311.88+151441.8		Mag	14.25		PmRA	11.00		PmDE	-11.0
Calc delta mag	1.68		Calc coord	yes