Exposure
ID
GRAVI.2020-02-14T00:58:12.309_1
Header ID
GRAVI.2020-02-14T00:58:12.309
Date updated
2020-10-06 11:05:24 UTC+0000
Release date
2020-02-14 00:58:12 UTC+0000
UTC Start
2020-02-14 00:58:12.309
UTC End
2020-02-14 01:02:12.309
MJD Start
58893.04042024
MJD End
58893.0431980178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.009792
Ambient temperature (°C)
16.62
Seeing (arcsec)
0.56
Observation
ID
54647
Category
calibrator
Program ID
104.20UZ.001
Program Title
BETELGEUSE IS BECOMING FAINTER: THE HIGH ANGULAR RESOLUTION RESPONSE
Program Type
ToO
PI / COI
MONTARGES/ CANTALLOUBE/ HUBY/ CANNON/ KERVELLA/ LAGADEC/ DUPREE/ DECIN/ LEBRE/ PERRIN/ LOPEZ ARISTE
Target
ID
33276
Name
HD_44945
RA
96.193344
DEC
3.76324
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.2800 24.1890 137.3000 137.4000
A0-D0 30.5610 30.7240 73.2000 73.2000
A0-C1 22.5690 22.5390 113.3410 113.3050
B2-D0 29.5910 29.7240 25.6000 26.0000
B2-C1 9.8570 9.9010 25.5230 25.9860
D0-C1 19.7340 19.8230 205.5950 206.0570
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 104.20UZ.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 58893.04042024
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD_44945
HIERARCH ESO INS SOBJ NAME HD_44945
RA 96.193344
DEC 3.76324
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 24.28
HIERARCH ESO ISS PBL12 END 24.189
HIERARCH ESO ISS PBLA12 START 137.3
HIERARCH ESO ISS PBLA12 END 137.4
HIERARCH ESO ISS PBL13 START 30.561
HIERARCH ESO ISS PBL13 END 30.724
HIERARCH ESO ISS PBLA13 START 73.2
HIERARCH ESO ISS PBLA13 END 73.2
HIERARCH ESO ISS PBL14 START 22.569
HIERARCH ESO ISS PBL14 END 22.539
HIERARCH ESO ISS PBLA14 START 113.341
HIERARCH ESO ISS PBLA14 END 113.305
HIERARCH ESO ISS PBL23 START 29.591
HIERARCH ESO ISS PBL23 END 29.724
HIERARCH ESO ISS PBLA23 START 25.6
HIERARCH ESO ISS PBLA23 END 26.0
HIERARCH ESO ISS PBL24 START 9.857
HIERARCH ESO ISS PBL24 END 9.901
HIERARCH ESO ISS PBLA24 START 25.523
HIERARCH ESO ISS PBLA24 END 25.986
HIERARCH ESO ISS PBL34 START 19.734
HIERARCH ESO ISS PBL34 END 19.823
HIERARCH ESO ISS PBLA34 START 205.595
HIERARCH ESO ISS PBLA34 END 206.057
HIERARCH ESO ISS AMBI TAU0 START 0.009893
HIERARCH ESO ISS AMBI TAU0 END 0.009691
HIERARCH ESO ISS AMBI TEMP 16.62
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.57