Exposure
ID
GRAVI.2025-11-28T06:38:32.103_1
Header ID
GRAVI.2025-11-28T06:38:32.103
Date updated
2025-11-28 06:50:55 UTC+0000
Release date
2025-11-28 06:38:32 UTC+0000
UTC Start
2025-11-28 06:38:32.103
UTC End
2025-11-28 06:41:12.103
MJD Start
61007.27676045
MJD End
61007.27861230185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004073
Ambient temperature (°C)
14.76
Seeing (arcsec)
0.59
Observation
ID
71889
Category
calibrator
Program ID
116.28P0.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG / ERCOLINO / JANIK
Target
ID
53370
Name
HD_76304
RA
133.459982
DEC
-40.44753
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 41.7020 41.8730 135.5000 135.7000
A0-J2 113.8090 114.3570 66.8000 67.4000
A0-J6 168.7920 168.7690 7.2010 7.6230
B5-J2 105.9890 106.2400 45.3000 46.0000
B5-J6 197.3550 197.3710 357.6530 358.0130
J2-J6 148.3940 148.8250 325.7740 326.0090
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61007.27676045
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 76304
HIERARCH ESO INS SOBJ NAME HD_76304
RA 133.459982
DEC -40.44753
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 41.702
HIERARCH ESO ISS PBL12 END 41.873
HIERARCH ESO ISS PBLA12 START 135.5
HIERARCH ESO ISS PBLA12 END 135.7
HIERARCH ESO ISS PBL13 START 113.809
HIERARCH ESO ISS PBL13 END 114.357
HIERARCH ESO ISS PBLA13 START 66.8
HIERARCH ESO ISS PBLA13 END 67.4
HIERARCH ESO ISS PBL14 START 168.792
HIERARCH ESO ISS PBL14 END 168.769
HIERARCH ESO ISS PBLA14 START 7.201
HIERARCH ESO ISS PBLA14 END 7.623
HIERARCH ESO ISS PBL23 START 105.989
HIERARCH ESO ISS PBL23 END 106.24
HIERARCH ESO ISS PBLA23 START 45.3
HIERARCH ESO ISS PBLA23 END 46.0
HIERARCH ESO ISS PBL24 START 197.355
HIERARCH ESO ISS PBL24 END 197.371
HIERARCH ESO ISS PBLA24 START 357.653
HIERARCH ESO ISS PBLA24 END 358.013
HIERARCH ESO ISS PBL34 START 148.394
HIERARCH ESO ISS PBL34 END 148.825
HIERARCH ESO ISS PBLA34 START 325.774
HIERARCH ESO ISS PBLA34 END 326.009
HIERARCH ESO ISS AMBI TAU0 START 0.003904
HIERARCH ESO ISS AMBI TAU0 END 0.004242
HIERARCH ESO ISS AMBI TEMP 14.76
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59