Exposure
ID
GRAVI.2025-06-21T05:09:07.359_1
Header ID
GRAVI.2025-06-21T05:09:07.359
Date updated
2025-06-21 05:20:58 UTC+0000
Release date
2025-06-21 05:09:07 UTC+0000
UTC Start
2025-06-21 05:09:07.359
UTC End
2025-06-21 05:12:19.359
MJD Start
60847.21466851
MJD End
60847.21689073223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0040205
Ambient temperature (°C)
11.86
Seeing (arcsec)
0.64
Observation
ID
67542
Category
calibrator
Program ID
115.27VK.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
Target
ID
50232
Name
HD_152636
RA
253.990732
DEC
-33.50683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.0100 64.7310 284.3000 284.9000
K0-D0 89.7100 89.2470 262.7000 263.2000
K0-J3 56.5540 56.5570 343.6040 344.1020
G2-D0 37.8090 37.6860 223.4000 223.7000
G2-J3 60.5990 60.3650 50.9130 51.2440
D0-J3 98.2080 97.8520 48.0300 48.3540
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60847.21466851
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.990732
DEC -33.50683
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 65.01
HIERARCH ESO ISS PBL12 END 64.731
HIERARCH ESO ISS PBLA12 START 284.3
HIERARCH ESO ISS PBLA12 END 284.9
HIERARCH ESO ISS PBL13 START 89.71
HIERARCH ESO ISS PBL13 END 89.247
HIERARCH ESO ISS PBLA13 START 262.7
HIERARCH ESO ISS PBLA13 END 263.2
HIERARCH ESO ISS PBL14 START 56.554
HIERARCH ESO ISS PBL14 END 56.557
HIERARCH ESO ISS PBLA14 START 343.604
HIERARCH ESO ISS PBLA14 END 344.102
HIERARCH ESO ISS PBL23 START 37.809
HIERARCH ESO ISS PBL23 END 37.686
HIERARCH ESO ISS PBLA23 START 223.4
HIERARCH ESO ISS PBLA23 END 223.7
HIERARCH ESO ISS PBL24 START 60.599
HIERARCH ESO ISS PBL24 END 60.365
HIERARCH ESO ISS PBLA24 START 50.913
HIERARCH ESO ISS PBLA24 END 51.244
HIERARCH ESO ISS PBL34 START 98.208
HIERARCH ESO ISS PBL34 END 97.852
HIERARCH ESO ISS PBLA34 START 48.03
HIERARCH ESO ISS PBLA34 END 48.354
HIERARCH ESO ISS AMBI TAU0 START 0.003899
HIERARCH ESO ISS AMBI TAU0 END 0.004142
HIERARCH ESO ISS AMBI TEMP 11.86
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.6