Calibration
Standards
The following stars
are currently used in the 2MASS calibration subsystem.
To see the standard
in a 5 arcmin finding chart, just click on **.
|
standard field
|
ra(J2000)
|
dec(J2000)
|
finding chart
|
jmag
|
hmag
|
kmag
|
|
BRI0021-0214
|
6.1025
|
-1.9723
|
**
|
11.864
|
11.074
|
10.561
|
|
P525-E
|
6.1179
|
+7.8172
|
NA
|
11.622
|
11.298
|
11.223
|
|
S294-D
|
8.3126
|
-39.4029
|
NA
|
10.914
|
10.637
|
10.582
|
|
S754-C
|
15.8158
|
-4.3456
|
NA
|
11.045
|
10.750
|
10.695
|
|
FS4
|
28.6572
|
0.7172
|
**
|
10.573
|
10.328
|
10.294
|
|
P530-D
|
38.3837
|
+6.4272
|
NA
|
11.309
|
10.975
|
10.910
|
|
S301-D
|
51.7275
|
-39.8475
|
**
|
12.153
|
11.842
|
11.788
|
|
P247-U
|
53.0109
|
+37.3443
|
**
|
11.952
|
11.626
|
11.530
|
|
P533-D
|
55.2592
|
+6.9380
|
**
|
11.750
|
11.430
|
11.353
|
|
LHS191
|
66.5832
|
+3.6106
|
**
|
11.620
|
11.038
|
10.699
|
|
FS13
|
89.2813
|
0.01977
|
**
|
10.524
|
10.201
|
10.149
|
|
S121-E
|
97.3725
|
-59.6586
|
**
|
12.114
|
11.838
|
11.781
|
|
P161-D
|
105.2159
|
+48.4899
|
**
|
11.695
|
11.418
|
11.369
|
|
S312-T
|
126.3980
|
-39.0992
|
NA
|
11.949
|
11.669
|
11.609
|
|
LHS2026
|
128.1267
|
-1.5773
|
**
|
12.078
|
11.485
|
11.149
|
|
M67-FS15
|
132.7741
|
+11.7298
|
**
|
12.773
|
12.424
|
12.377
|
|
M67-FS16
|
132.8128
|
+11.8226
|
**
|
13.013
|
12.724
|
12.662
|
|
M67-FS17
|
132.8322
|
+11.8697
|
**
|
12.707
|
12.378
|
12.306
|
|
P091-D
|
145.7436
|
+59.0619
|
NA
|
11.676
|
11.348
|
11.276
|
|
LHS2397a
|
170.45507
|
-13.21893
|
NA
|
11.897
|
11.190
|
10.709
|
|
S217-D
|
180.4383
|
-50.0528
|
NA
|
11.294
|
11.000
|
10.923
|
|
P266-C
|
183.6058
|
+35.5986
|
**
|
11.631
|
11.370
|
11.322
|
|
S860-D
|
185.4138
|
-0.1203
|
**
|
12.190
|
11.905
|
11.852
|
|
FS23
|
205.4332
|
+28.4978
|
**
|
12.946
|
12.512
|
12.363
|
|
P221-C
|
218.7332
|
+41.1861
|
**
|
10.870
|
10.648
|
10.627
|
|
S867-V
|
220.2417
|
-0.4631
|
**
|
12.023
|
11.681
|
11.610
|
|
S273-E
|
224.2144
|
-44.8206
|
**
|
11.301
|
10.896
|
10.850
|
|
P272-D
|
224.6383
|
+37.1423
|
**
|
11.632
|
11.284
|
11.214
|
|
T868-53850
|
225.1099
|
-0.6580
|
**
|
11.595
|
10.991
|
10.641
|
|
P565-C
|
246.6786
|
+5.8733
|
**
|
12.171
|
11.903
|
11.840
|
|
Oph_n9b
|
246.7840
|
-24.7078
|
**
|
15.381
|
12.278
|
10.733
|
|
P330-E
|
247.8910
|
+30.1463
|
**
|
11.811
|
11.489
|
11.430
|
|
FS28
|
266.0282
|
-0.4164
|
NA
|
10.733
|
10.639
|
10.594
|
|
S279-F
|
267.0926
|
-45.4292
|
**
|
12.457
|
12.124
|
12.034
|
|
P182-E
|
279.8911
|
+49.0939
|
**
|
12.106
|
11.774
|
11.701
|
|
L547
|
282.8150
|
-4.2674
|
**
|
11.872
|
9.831
|
8.870
|
|
S808-C
|
285.4808
|
-4.4867
|
**
|
10.936
|
10.620
|
10.545
|
|
S234-E
|
307.8317
|
-49.6467
|
**
|
12.464
|
12.127
|
12.070
|
|
S813-D
|
310.2726
|
-5.0620
|
**
|
11.473
|
11.137
|
11.077
|
|
ABELL2409
|
330.1354
|
+20.7810
|
**
|
11.212
|
10.961
|
10.902
|
|
BRI2202-1119
|
331.3990
|
-11.0745
|
**
|
11.666
|
11.077
|
10.736
|
|
S893-D
|
349.5417
|
0.5489
|
**
|
11.403
|
11.123
|
11.063
|
|
P290-D
|
352.6392
|
+38.3158
|
**
|
11.641
|
11.362
|
11.281
|
Comments and feedback: Sherry Wheelock
email: slw@ipac.caltech.edu
Last update: 4 January 1999 slw@ipac.caltech.edu
