2007PASP..119.1019G


Query : 2007PASP..119.1019G

2007PASP..119.1019G - Publ. Astron. Soc. Pac., 119, 1019-1037 (2007/September-0)

Absolute calibration and characterization of the multiband imaging photometer for Spitzer. II. 70 µm imaging.

GORDON K.D., ENGELBRACHT C.W., FADDA D., STANSBERRY J., WACHTER S., FRAYER D.T., RIEKE G., NORIEGA-CRESPO A., LATTER W.B., YOUNG E., NEUGEBAUER G., BALOG Z., BEEMAN J.W., DOLE H., EGAMI E., HALLER E.E., HINES D., KELLY D., MARLEAU F., MISSELT K., MORRISON J., PEREZ-GONZALEZ P., RHO J. and WHEATON W.A.

Abstract (from CDS):

The absolute calibration and characterization of the Multiband Imaging Photometer for Spitzer (MIPS) 70 µm coarse- and fine-scale imaging modes are presented based on over 2.5 yr of observations. Accurate photometry (especially for faint sources) requires two simple processing steps beyond the standard data reduction to remove long-term detector transients. Point-spread function (PSF) fitting photometry is found to give more accurate flux densities than aperture photometry. Based on the PSF fitting photometry, the calibration factor shows no strong trend with flux density, background, spectral type, exposure time, or time since anneals. The coarse-scale calibration sample includes observations of stars with flux densities from 22 mJy to 17 Jy, on backgrounds from 4 to 26 MJy/sr, and with spectral types from B to M. The coarse-scale calibration is 702±35 MJy/sr MIPS70–1 (5% uncertainty) and is based on measurements of 66 stars. The instrumental units of the MIPS 70 µm coarse- and fine-scale imaging modes are called MIPS70 and MIPS70F, respectively. The photometric repeatability is calculated to be 4.5% from two stars measured during every MIPS campaign and includes variations on all timescales probed. The preliminary fine-scale calibration factor is 2894±294 MJy/sr MIPS70F–1 (10% uncertainty) based on 10 stars. The uncertainties in the coarse- and fine-scale calibration factors are dominated by the 4.5% photometric repeatability and the small sample size, respectively. The 5 σ, 500 s sensitivity of the coarse-scale observations is 6-8 mJy. This work shows that the MIPS 70 µm array produces accurate, well-calibrated photometry and validates the MIPS 70 µm operating strategy, especially the use of frequent stimulator flashes to track the changing responsivities of the Ge:Ga detectors.

Abstract Copyright:

Journal keyword(s): Astronomical Instrumentation

Simbad objects: 80

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Number of rows : 80
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 * bet Hyi PM* 00 25 45.07036 -77 15 15.2860 3.52 3.41 2.79 2.28 1.94 G0V 576 0
2 * alf Phe SB* 00 26 17.05140 -42 18 21.5539   3.47 2.38     K0.5IIIb 149 0
3 * alf Cas PM* 00 40 30.4410679 +56 32 14.392170 4.52 3.40 2.23 1.45 0.85 K0-IIIa 328 0
4 * bet Cet PM* 00 43 35.37090 -17 59 11.7827 3.90 3.02 2.01 1.29 0.78 G9.5IIICH-1 509 0
5 * bet And PM* 01 09 43.92388 +35 37 14.0075 5.58 3.62 2.05 0.81 -0.19 M0+IIIa 543 0
6 * gam Phe SB* 01 28 21.9272669 -43 19 05.650173   4.98 3.41     M0III 138 0
7 * ups Per PM* 01 37 59.5569926 +48 37 41.569533 6.29 4.85 3.57 2.61 1.96 K3-IIICN0.5 226 0
8 * gam01 And SB* 02 03 53.95229 +42 19 47.0223 4.22 3.30 2.10 1.16 0.47 K2+IIb 336 0
9 * alf Ari PM* 02 07 10.40570 +23 27 44.7032 4.29 3.17 2.01 1.15 0.54 K2-IIIbCa-1 615 1
10 * del Hyi PM* 02 21 44.9423652192 -68 39 33.906922488 4.17 4.12 4.09 4.05 4.04 A2V 107 0
11 * alf Cet LP? 03 02 16.77307 +04 05 23.0596 6.10 4.17 2.53 1.18 0.02 M1.5IIIa 450 0
12 * alf Per V* 03 24 19.3700924 +49 51 40.245455 2.64 2.27 1.79     F5Ib 820 1
13 * gam Hyi PM* 03 47 14.3406211 -74 14 20.268608 6.87 4.88 3.26 1.92 0.82 M1III 85 0
14 * gam Eri LP? 03 58 01.7669489 -13 30 30.669770 6.52 4.54 2.94 1.68 0.68 M0III-IIIb 182 0
15 * alf Tau LP? 04 35 55.23907 +16 30 33.4885 4.32 2.40 0.86 -0.37 -1.31 K5+III 1221 1
16 * iot Aur V* 04 56 59.6200224533 +33 09 57.937579478 6.00 4.22 2.69 1.63 0.81 K3II-III 270 0
17 * eps Lep PM* 05 05 27.6653698 -22 22 15.723893 6.41 4.64 3.18 2.08 1.27 K4III 150 0
18 * alf Aur SB* 05 16 41.35871 +45 59 52.7693 1.33 0.88 0.08 -0.52 -0.96 G3III: 1162 0
19 HD 35666 * 05 18 15.6035645856 -74 41 53.349648144   9.00 7.46     K3III 11 0
20 * 31 Ori V* 05 29 43.9820095248 -01 05 32.058334392   6.28 4.71     K4III 89 0
21 HD 39608 * 05 49 36.4581598776 -60 40 34.657139244   8.91 7.35     K5III 16 0
22 * bet Col PM* 05 50 57.5921991 -35 46 05.915211 5.49 4.28 3.12 2.27 1.69 K1III_CN+1 141 0
23 HD 42701 * 06 06 50.5471916520 -67 17 00.019518612   8.05 6.68     K3III 18 0
24 * alf Car * 06 23 57.10988 -52 41 44.3810 -0.49 -0.59 -0.74 -0.96 -1.13 A9II 436 0
25 * alf CMa SB* 06 45 08.91728 -16 42 58.0171 -1.51 -1.46 -1.46 -1.46 -1.43 A0mA1Va 1479 0
26 * tau Pup SB* 06 49 56.1684595 -50 36 52.443676   4.13 2.93     K1III 101 0
27 HD 51799 V* 06 56 15.9899939 -48 43 16.125750 8.56 6.64 4.95 3.47 2.29 M1III 34 0
28 HD 53501 PM* 06 59 50.5350748656 -67 54 59.200292484   6.57 5.17     K3III 44 0
29 * pi. Pup LP* 07 17 08.55678 -37 05 50.8962 5.57 4.32 2.70 1.46 0.55 K4III 106 0
30 * sig Pup SB* 07 29 13.8304917 -43 18 05.159662 6.54 4.77 3.25 2.04 1.12 K5III 127 0
31 * ups Gem PM* 07 35 55.3500141720 +26 53 44.680194960 7.54 5.60 4.06 2.82 1.91 M0III 198 0
32 * bet Gem PM* 07 45 18.94987 +28 01 34.3160 3.00 2.14 1.14 0.39 -0.11 K0IIIb 1079 1
33 * eps Car ** 08 22 30.83526 -59 30 34.1431 3.32 3.13 1.86     K3:III+B2:V 82 0
34 * bet Car PM* 09 13 11.97746 -69 43 01.9473 1.72 1.69 1.69 1.63 1.61 A1III- 218 0
35 * alf Lyn PM* 09 21 03.3002104870 +34 23 33.213441656 6.63 4.69 3.14 1.91 1.01 K6III 203 0
36 * alf Hya * 09 27 35.24270 -08 39 30.9583 5.14 3.42 1.97 0.93 0.16 K3IIIa 419 0
37 * N Vel V* 09 31 13.3189137 -57 02 03.757780   4.691 3.139     K5III 93 0
38 * lam Leo V* 09 31 43.2275352 +22 58 04.690399 7.74 5.85 4.31 3.09 2.19 K4.5III 95 0
39 * alf Leo PM* 10 08 22.31099 +11 58 01.9516 0.88 1.24 1.40 1.37 1.47 B8IVn 831 0
40 * q Car LP* 10 17 04.9753050 -61 19 56.288301   4.899 3.350     K2.5II 135 0
41 * gam01 Leo PM* 10 19 58.354462 +19 50 29.35920 4.13 3.13 1.98 1.13 0.51 K1-IIIFe-1 278 1
42 * mu. UMa SB* 10 22 19.7397659 +41 29 58.269105 6.53 4.64 3.05 1.76 0.80 M0III 302 0
43 * gam Cha V* 10 35 28.1071958 -78 36 28.032088 7.65 5.70 4.12 2.86 1.88 K4III 76 0
44 * nu. Hya PM* 10 49 37.4887449 -16 11 37.135989 5.62 4.35 3.11 2.17 1.53 K1.5IIIHdel-0.5 166 0
45 * alf UMa SB* 11 03 43.67152 +61 45 03.7249 3.78 2.86 1.79 0.98 0.40 G9III+A7.5 433 0
46 * psi UMa PM* 11 09 39.8086764 +44 29 54.552050 5.27 4.15 3.01 2.18 1.61 K1III 271 0
47 * lam Dra V* 11 31 24.2207524 +69 19 51.869616 7.44 5.47 3.85 2.54 1.55 M0III-IIIaCa1 128 0
48 * bet Leo dS* 11 49 03.57834 +14 34 19.4090 2.30 2.22 2.13 2.08 2.06 A3Va 564 0
49 * bet Vir PM* 11 50 41.7185158616 +01 45 53.001539131 4.26 4.15 3.60 3.13 2.85 F9V 895 0
50 * gam Cru PM* 12 31 09.95961 -57 06 47.5684 5.01 3.23 1.64 -0.02 -1.44 M3.5III 269 0
51 * gam Cen ** 12 41 31.04008 -48 57 35.5375 2.15 2.16 2.17 2.14 2.14 A1IV+A0IV 120 1
52 V* AW CVn LP? 13 51 47.4753428 +34 26 39.261252 8.36 6.40 4.74 3.21 1.93 M3-IIIa 113 0
53 * eta Boo SB* 13 54 41.07892 +18 23 51.7946 3.440 3.250 2.680 2.24 1.95 G0IV 682 1
54 * pi. Hya PM* 14 06 22.2974865 -26 40 56.502378 5.45 4.41 3.28 2.40 1.85 K2-IIIFe-0.5 135 0
55 * alf Boo RG* 14 15 39.67207 +19 10 56.6730 2.46 1.18 -0.05 -1.03 -1.68 K1.5IIIFe-0.5 2234 0
56 * bet UMi V* 14 50 42.32580 +74 09 19.8142 5.32 3.55 2.08 0.97 0.21 K4-III 316 0
57 * phi01 Lup PM* 15 21 48.3696659 -36 15 40.952469   5.076 3.546     K4III 90 0
58 HD 138265 * 15 27 51.4237531200 +60 40 12.796947012 9.030 7.350 5.900     K5III 37 0
59 * alf Ser PM* 15 44 16.0743159 +06 25 32.263272 5.080 3.800 2.630 1.82 1.25 K2IIIbCN1 508 0
60 * kap Ser PM* 15 48 44.3767639 +18 08 29.634222 7.66 5.71 4.09 2.84 1.86 M0.5IIIab 119 0
61 HD 152222 * 16 47 04.6184032608 +67 16 00.529666644   8.55 7.03     K2III 12 0
62 * pi. Her V* 17 15 02.8343634 +36 48 32.984340 6.28 4.61 3.18 2.22 1.49 K3II 235 0
63 HD 159048 * 17 23 34.5175576176 +76 03 18.181475532   8.65 7.20     K0III 13 0
64 HD 159330 * 17 30 43.5747719616 +57 52 36.566848992 9.210 7.640 6.210     K2III 32 0
65 * ksi Dra PM* 17 53 31.7296234 +56 52 21.514262 6.14 4.93 3.75 2.92 2.33 K2III 263 0
66 * gam Dra * 17 56 36.36988 +51 29 20.0242 5.630 3.760 2.230 1.08 0.23 K5III 539 0
67 HD 166780 * 18 08 38.8446932952 +57 58 46.862306724   8.79 7.34     K5III 47 0
68 * 42 Dra PM* 18 25 59.1369601368 +65 33 48.531343788   6.005 4.823     K1.5IIIFe-1 150 1
69 * lam Sgr PM* 18 27 58.2407185 -25 25 18.114589 4.75 3.85 2.81 2.06 1.50 K1IIIb 268 0
70 HD 173398 PM* 18 40 56.4085550640 +62 44 58.066829664   7.086 6.091     K0III 39 0
71 HD 173511 PM* 18 41 40.5911095584 +61 32 47.097310596   8.69 7.23     K5III 52 0
72 HD 173976 * 18 44 30.1350426504 +60 20 56.459969052   8.62 7.09     K5III 9 0
73 * del Dra PM* 19 12 33.3019645 +67 39 41.545581 4.85 4.07 3.07 2.37 1.86 G9III 269 0
74 * alf Vul PM* 19 28 42.3299553 +24 39 53.652455 7.77 5.95 4.45 3.24 2.27 M0.5IIIb 177 0
75 * eps Cyg ** 20 46 12.6823609 +33 58 12.924926 4.370 3.520 2.480 1.73 1.19 K0III 493 0
76 * ome Cap V* 20 51 49.2905373888 -26 55 08.885443656 7.66 5.75 4.12 2.87 1.93 M0IIIBa0.5 98 0
77 * alf Gru PM* 22 08 13.98473 -46 57 39.5078 1.11 1.58 1.71 1.75 1.83 B6V 295 0
78 * 5 Lac s*r 22 29 31.8225058 +47 42 24.792707 7.15 6.05 4.37 2.98 1.91 K9Ia+B2V 138 0
79 * mu. Peg PM* 22 50 00.1931506 +24 36 05.698380 5.10 4.42 3.48 2.80 2.33 G8+III 285 0
80 * bet Peg LP* 23 03 46.45746 +28 04 58.0336 6.05 4.09 2.42 0.92 -0.40 M2.5II-III 585 0

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2022.10.07-04:14:11

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