Exposure
ID
GRAVI.2025-02-25T03:57:53.511_1
Header ID
GRAVI.2025-02-25T03:57:53.511
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2026-02-25 04:05:47 UTC+0000
UTC Start
2025-02-25 03:57:53.511
UTC End
2025-02-25 04:01:05.511
MJD Start
60731.16520267
MJD End
60731.16742489223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.003737
Ambient temperature (°C)
15.46
Seeing (arcsec)
1.67
Observation
ID
64839
Category
science
Program ID
114.27NF.001
Program Title
UNVELING 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
Target
ID
48284
Name
h01_Pup
RA
122.836605
DEC
-39.61853
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.7710 89.6550 129.0000 129.6000
A0-J2 124.6160 124.1970 106.8000 107.4000
A0-K0 119.6140 119.0370 84.5360 85.1030
G1-J2 53.6140 53.3470 67.5000 68.0000
G1-K0 83.8570 83.6040 35.9920 36.3470
J2-K0 47.3260 47.3260 359.6970 0.1180
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60731.16520267
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME h01 Pup
HIERARCH ESO INS SOBJ NAME h01_Pup
RA 122.836605
DEC -39.61853
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 89.771
HIERARCH ESO ISS PBL12 END 89.655
HIERARCH ESO ISS PBLA12 START 129.0
HIERARCH ESO ISS PBLA12 END 129.6
HIERARCH ESO ISS PBL13 START 124.616
HIERARCH ESO ISS PBL13 END 124.197
HIERARCH ESO ISS PBLA13 START 106.8
HIERARCH ESO ISS PBLA13 END 107.4
HIERARCH ESO ISS PBL14 START 119.614
HIERARCH ESO ISS PBL14 END 119.037
HIERARCH ESO ISS PBLA14 START 84.536
HIERARCH ESO ISS PBLA14 END 85.103
HIERARCH ESO ISS PBL23 START 53.614
HIERARCH ESO ISS PBL23 END 53.347
HIERARCH ESO ISS PBLA23 START 67.5
HIERARCH ESO ISS PBLA23 END 68.0
HIERARCH ESO ISS PBL24 START 83.857
HIERARCH ESO ISS PBL24 END 83.604
HIERARCH ESO ISS PBLA24 START 35.992
HIERARCH ESO ISS PBLA24 END 36.347
HIERARCH ESO ISS PBL34 START 47.326
HIERARCH ESO ISS PBL34 END 47.326
HIERARCH ESO ISS PBLA34 START 359.697
HIERARCH ESO ISS PBLA34 END 0.118
HIERARCH ESO ISS AMBI TAU0 START 0.003737
HIERARCH ESO ISS AMBI TAU0 END 0.003737
HIERARCH ESO ISS AMBI TEMP 15.46
HIERARCH ESO ISS AMBI FWHM START 1.67
HIERARCH ESO ISS AMBI FWHM END 1.67