20247+2739 MLB 707

20^h 24^m 37.52^s +27° 39' 42.4" P.A. 358.00 sep 3.5 mag 12.18,13.40

Coord 2000	20247+2739	Discov num	MLB 707	Comp		Coord arcsec 2000	20 24 37.52 +27 39 42.4
Date first	1931	Date last	2015	Obs	4
Pa first	2	Pa last	357.9	P.A. Now (θ)	357.9°
Sep first	2.8	Sep last	3.475	Sep. Now (ρ)	3.475"
Mag pri	12.18	Mag sec	13.40	delta mag (ΔM)	1.22	Spectral class
Pri motion ra	+013	Sec motion ra	+004
Pri motion dec	-052	Sec motion dec	+015
Notes

rPM=1.261

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Tycho2

2164-00436-1

Gaia DR2

1836038909212068864

WDS 20247+2739 MLB 707 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Mlb1918	Mb -	Milburn, W. (Espin, T.E.)	1918MNRAS..78..189E
Mlb1918		MNRAS 78, 189, 1918 (MLB 1 - 35; measures by Espin)
Mlb1919	Mb -	Milburn, W. (Espin, T.E.)	1919MNRAS..79..211E
Mlb1919		MNRAS 79, 211, 1919 (MLB 36 - 106; measures by Espin)
Mlb1920	Mb -	Milburn, W.	1920MNRAS..80..329M
Mlb1920		MNRAS 80, 329, 1920 (MLB 107 - 149)
Mlb1921	Mb -	Milburn, W.	1921MNRAS..81..232E
Mlb1921		MNRAS 81, 232, 1921 (MLB 150 - 182)
Mlb1922	Mb j	Milburn, W. (Espin, T.E.)	1922MNRAS..82..187E
Mlb1922		MNRAS 82, 187, 1922 (MLB 183 - 241; measures by Espin)
Mlb1923	Mb -	Milburn, W.	1923MNRAS..83..154E
Mlb1923		MNRAS 83, 154, 1923 (MLB 242 - 275)
Mlb1924	Mb -	Milburn, W.	1924MNRAS..84..162E
Mlb1924		MNRAS 84, 162, 1924 (MLB 276 - 322)
Mlb1925	Mb j	Milburn, W.	1925MNRAS..85..276E
Mlb1925		MNRAS 85, 276, 1925 (MLB 323 - 376)
Mlb1926	Mb -	Milburn, W.	1926MNRAS..86..131E
Mlb1926		MNRAS 86, 131, 1926 (MLB 377 - 440)
Mlb1927	Mb j	Milburn, W.	1927MNRAS..87..215E
Mlb1927	+Po	MNRAS 87, 215, 1927 (MLB 441 - 510)
Mlb1928	Mb -	Milburn, W.	1928MNRAS..88..185E
Mlb1928		MNRAS 88, 185, 1928 (MLB 511 - 551)
Mlb1929	Mb -	Milburn, W.	1929MNRAS..89..268E
Mlb1929		MNRAS 89, 268, 1929 (MLB 552 - 591)
Mlb1930	Mb -	Milburn, W.	1930MNRAS..90..317E
Mlb1930		MNRAS 90, 317, 1930 (MLB 592 - 630)
Mlb1931	Mb j	Milburn, W.	1931MNRAS..91..294E
Mlb1931		MNRAS 91, 294, 1931 (MLB 631 - 673)
Mlb1932	Ma -	Milburn, W.	1932MNRAS..92..214E
Mlb1932	+Mb	MNRAS 92, 214, 1932 (MLB 674 - 732)
Mlb1932B	Ma -	Milburn, W.	1932QB821.A43......
Mlb1932B		cited by ADS (Aitken Double Star Cat., 1932)
Mlb1933	Ma j	Milburn, W.	1933MNRAS..93..192E
Mlb1933	+Mb	MNRAS 93, 192, 1933 (MLB 733 - 806)
Mlb1934	Mb j	Milburn, W.	1934MNRAS..94..255M
Mlb1934		MNRAS 94, 255, 1934 (MLB 807 - 912)
Mlb1935	Mb j	Milburn, W.	1935MNRAS..95..298M
Mlb1935		MNRAS 95, 298, 1935 (MLB 913 - 969)
Mlb1936	Mb -	Milburn, W.	1936MNRAS..96..266M
Mlb1936		MNRAS 96, 266, 1936 (MLB 970 - 997)
Mlb1937	Ma -	Milburn, W.	1937MNRAS..97..222M
Mlb1937	+Mb	MNRAS 97, 222, 1937 (MLB 998 - 1025)
Mlb1938	Ma -	Milburn, W.	1938MNRAS..98..223M
Mlb1938	+Mb	MNRAS 98, 223, 1938 (MLB 1026 - 1032)
Mlb1939	Mb -	Milburn, W.	1939MNRAS..99..278M
Mlb1939		MNRAS 99, 278, 1939 (MLB 1033 - 1051)
Mlb9999	Mb -	Milburn, W.	...................
Mlb9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20247+2739	MLB 707		1987	2	0	4.1	12.18	13.40			202437.52+273942.4
20247+2739	MLB 707		2002	3	358	3.4	12.18	13.40			202437.52+273942.4
20247+2739	MLB 707		2015	4	358	3.5	12.18	13.40			202437.52+273942.4

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

WDS 20247+2739 MLB 707 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20247+2739 MLB 707 : MEASURES

No records found.

WDS 20247+2739 : VIRTUAL EYEPIECE

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WDS 20247+2739 : ALADIN DSS IMAGE @ 20^h 24^m 37.52^s +27° 39' 42.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20247+2739 MLB 707 : 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		20247+2739	MLB 707		358	3.5	1
Show		20241+2746	TDT2238		205	0.4	11
Show		20254+2727	J 509		262	4.0	17
Show		20256+2723	J 2310	BC	357	5.3	21
Show		20258+2726	TDT2265		264	2.5	22
Show		20256+2723	J 2310	AB	323	33.5	22
Show		20256+2723	J 2310	AC	328	38.0	22
Show		20244+2802	HDS2918		228	0.2	22
Show		20269+2731	RAO 432		336	0.2	32
Show		20237+2710	TDS1067		203	1.8	33
Show		20222+2736	MLB 611		206	9.9	34
Show		20268+2804	A 393		217	0.5	38
Show		20275+2735	BVD 164		350	2.9	39
Show		20229+2708	ARN 50	CD	186	25.9	39
Show		20229+2708	STF2676	AB	170	3.0	40
Show		20229+2708	ARN 50	AC	331	84.8	40
Show		20229+2708	ARN 50	AD	318	65.2	40
Show		20280+2739	BRT 48		265	4.2	44
Show		20241+2823	AG 404		247	34.4	44
Show		20213+2736	TDT2202			0.4	45
Show		20276+2803	AG 405		70	23.3	46
Show		20253+2651	BUP 210	AB	232	68.9	49
Show		20253+2651	BUP 210	AD	94	934.4	49
Show		20253+2651	BUP 210	AE	70	448.6	49
Show		20253+2651	BUP 210	BC	232	163.1	50
Show		20268+2657	J 3086		17	3.7	52
Show		20284+2728	COU 725		59	0.5	53
Show		20273+2820	MLB 774	AB	63	44.1	54
Show		20273+2820	MLB 774	BC	279	4.3	55
Show		20284+2800	TDT2311		97	1.5	55
Show		20223+2826	TDT2214		8	1.0	56
Show		20288+2735	TDS1076		293	1.0	56
Show		20264+2832	TDT2269		332	0.4	58
Show		20266+2831	TDT2276		316	0.7	58
Show		20256+2642	BU 1488	BC	357	2.6	59
Show		20256+2642	BU 1488	AB	73	74.2	59
Show		20207+2808	TDT2195		346	0.4	60
Show		20220+2651	J 3077		312	4.3	60
Show		20281+2819	MLB 662		42	3.4	60
Show		20201+2735	TDT2179		161	0.7	60
Show		20292+2731	HJ 1519		234	15.6	61
Show		20227+2837	COU1169	AB	59	0.3	63
Show		20227+2837	COU1169	AC	175	1.7	63
Show		20294+2729	KPP1957		36	15.5	65
Show		20201+2716	KPP3357		293	3.8	66
Show		20204+2702	TDT2187		332	0.5	68
Show		20196+2727	MLB 610	BC	287	8.1	69
Show		20196+2727	MLB 610	AB	26	63.3	69
Show		20195+2740	MLB 609	AB	280	5.5	70
Show		20195+2740	MLB 609	BC	282	17.4	70
Show		20290+2658	A 394		286	0.7	72

WDS 20247+2739 : COMPONENTS

	A
B	pa=358.1° sep=3.47"

20247+2739 A

Componente originario normalizzato	AB		Coord arcsec 2000	202437.52+273942.4		Mag	12.18		PmRA	13.00
PmDE	-52.0		Tycho2	2164-00436-1

Tycho2

Tycho2	2164-00436-1	Pflag		RAmdeg	306.15635149	DEmdeg	27.66179196
PmRA	5.2	PmDE	-17.2	E RAmdeg	47	E DEmdeg	48
E pmRA	3.6	E pmDE	3.5	EpRAm	1989.08	EpDEm	1989.22
Num	3	Q RAmdeg	0.6	Q DEmdeg	5.1	Q pmRA	0.6
Q pmDE	5.1	BTmag	12.757	E BTmag	0.148	VTmag	12.184
E VTmag	0.119	Prox	999	TYC		HIP
CCDM		RAdeg	306.15633139	DEdeg	27.66179222	EpRA 1990	1.81
EpDE 1990	1.83	E RAdeg	61.9	E DEdeg	55.7	Posflg
Corr	0.1

20247+2739 B

Componente originario normalizzato	AB		Coord arcsec 2000	202437.51+273945.9		Mag	13.4		PmRA	4.00
PmDE	15.0		Calc delta mag	1.22		Calc coord	yes