Exposure
ID
GRAVI.2022-02-22T06:44:32.187_1
Header ID
GRAVI.2022-02-22T06:44:32.187
Date updated
2022-02-22 06:56:02 UTC+0000
Release date
2022-02-22 06:44:32 UTC+0000
UTC Start
2022-02-22 06:44:32.187
UTC End
2022-02-22 06:48:32.187
MJD Start
59632.28092809
MJD End
59632.283705867776
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0065685
Ambient temperature (°C)
12.02
Seeing (arcsec)
0.7050000000000001
Observation
ID
49592
Category
calibrator
Program ID
108.221C.001
Program Title
RESOLVING THE MAS-SCALE RELATIVISTIC JET AND THE ACCRETION DISK OF A BLAZAR IN NEAR INFRARED
Program Type
Normal
PI / COI
HOVATTA/ LINDFORS/ KORHONEN/ KHARB/ WITTKOWSKI/ PURSIMO
Target
ID
37118
Name
Empty
RA
178.505374
DEC
29.55353
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 40.4300 40.8470 40.5000 40.7000
U1-U3 77.8730 78.6630 47.3000 47.3000
U1-U4 122.2020 122.8740 70.0240 69.6140
U2-U3 38.0340 38.3880 54.6000 54.5000
U2-U4 89.2650 89.3410 82.9160 82.3980
U3-U4 58.6220 58.2700 100.8340 100.3740
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221C.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 59632.28092809
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME BD+30 2201
HIERARCH ESO INS SOBJ NAME Empty
RA 178.505374
DEC 29.55353
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 40.43
HIERARCH ESO ISS PBL12 END 40.847
HIERARCH ESO ISS PBLA12 START 40.5
HIERARCH ESO ISS PBLA12 END 40.7
HIERARCH ESO ISS PBL13 START 77.873
HIERARCH ESO ISS PBL13 END 78.663
HIERARCH ESO ISS PBLA13 START 47.3
HIERARCH ESO ISS PBLA13 END 47.3
HIERARCH ESO ISS PBL14 START 122.202
HIERARCH ESO ISS PBL14 END 122.874
HIERARCH ESO ISS PBLA14 START 70.024
HIERARCH ESO ISS PBLA14 END 69.614
HIERARCH ESO ISS PBL23 START 38.034
HIERARCH ESO ISS PBL23 END 38.388
HIERARCH ESO ISS PBLA23 START 54.6
HIERARCH ESO ISS PBLA23 END 54.5
HIERARCH ESO ISS PBL24 START 89.265
HIERARCH ESO ISS PBL24 END 89.341
HIERARCH ESO ISS PBLA24 START 82.916
HIERARCH ESO ISS PBLA24 END 82.398
HIERARCH ESO ISS PBL34 START 58.622
HIERARCH ESO ISS PBL34 END 58.27
HIERARCH ESO ISS PBLA34 START 100.834
HIERARCH ESO ISS PBLA34 END 100.374
HIERARCH ESO ISS AMBI TAU0 START 0.006547
HIERARCH ESO ISS AMBI TAU0 END 0.00659
HIERARCH ESO ISS AMBI TEMP 12.02
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.65
HIERARCH ESO FT ROBJ NAME BD+30_2201
HIERARCH ESO FT ROBJ ALPHA 115400.783
HIERARCH ESO FT ROBJ DELTA 293314.245