Exposure
ID
GRAVI.2025-06-21T04:44:58.298_1
Header ID
GRAVI.2025-06-21T04:44:58.298
Date updated
2025-06-21 05:00:50 UTC+0000
Release date
2025-06-21 04:44:58 UTC+0000
UTC Start
2025-06-21 04:44:58.298
UTC End
2025-06-21 04:48:10.298
MJD Start
60847.19789697
MJD End
60847.200119192225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0057625
Ambient temperature (°C)
11.61
Seeing (arcsec)
0.605
Observation
ID
68169
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
50674
Name
HD_168592
RA
275.577086
DEC
-38.65706
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 68.1170 68.1820 268.1000 268.6000
K0-D0 95.9750 95.9590 248.1000 248.7000
K0-J3 54.7480 54.8360 329.6460 330.0630
G2-D0 39.4760 39.4330 212.1000 212.6000
G2-J3 63.9310 63.8610 39.2050 39.7040
D0-J3 103.2220 103.1070 36.5080 36.9990
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 60847.19789697
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.577086
DEC -38.65706
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 68.117
HIERARCH ESO ISS PBL12 END 68.182
HIERARCH ESO ISS PBLA12 START 268.1
HIERARCH ESO ISS PBLA12 END 268.6
HIERARCH ESO ISS PBL13 START 95.975
HIERARCH ESO ISS PBL13 END 95.959
HIERARCH ESO ISS PBLA13 START 248.1
HIERARCH ESO ISS PBLA13 END 248.7
HIERARCH ESO ISS PBL14 START 54.748
HIERARCH ESO ISS PBL14 END 54.836
HIERARCH ESO ISS PBLA14 START 329.646
HIERARCH ESO ISS PBLA14 END 330.063
HIERARCH ESO ISS PBL23 START 39.476
HIERARCH ESO ISS PBL23 END 39.433
HIERARCH ESO ISS PBLA23 START 212.1
HIERARCH ESO ISS PBLA23 END 212.6
HIERARCH ESO ISS PBL24 START 63.931
HIERARCH ESO ISS PBL24 END 63.861
HIERARCH ESO ISS PBLA24 START 39.205
HIERARCH ESO ISS PBLA24 END 39.704
HIERARCH ESO ISS PBL34 START 103.222
HIERARCH ESO ISS PBL34 END 103.107
HIERARCH ESO ISS PBLA34 START 36.508
HIERARCH ESO ISS PBLA34 END 36.999
HIERARCH ESO ISS AMBI TAU0 START 0.005774
HIERARCH ESO ISS AMBI TAU0 END 0.005751
HIERARCH ESO ISS AMBI TEMP 11.61
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.63