Exposure
ID
GRAVI.2025-06-21T03:32:16.113_1
Header ID
GRAVI.2025-06-21T03:32:16.113
Date updated
2025-06-21 03:45:41 UTC+0000
Release date
2025-06-21 03:32:16 UTC+0000
UTC Start
2025-06-21 03:32:16.113
UTC End
2025-06-21 03:35:28.113
MJD Start
60847.14740872
MJD End
60847.14963094222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005504
Ambient temperature (°C)
11.94
Seeing (arcsec)
0.935
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 68.3040 68.3310 270.4000 270.9000
K0-D0 95.9570 95.9240 250.1000 250.6000
K0-J3 55.9010 55.9550 331.6680 332.0770
G2-D0 39.7410 39.7060 213.4000 213.9000
G2-J3 64.2090 64.1520 40.5840 41.0370
D0-J3 103.7600 103.6680 37.8560 38.3040
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 60847.14740872
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 68.304
HIERARCH ESO ISS PBL12 END 68.331
HIERARCH ESO ISS PBLA12 START 270.4
HIERARCH ESO ISS PBLA12 END 270.9
HIERARCH ESO ISS PBL13 START 95.957
HIERARCH ESO ISS PBL13 END 95.924
HIERARCH ESO ISS PBLA13 START 250.1
HIERARCH ESO ISS PBLA13 END 250.6
HIERARCH ESO ISS PBL14 START 55.901
HIERARCH ESO ISS PBL14 END 55.955
HIERARCH ESO ISS PBLA14 START 331.668
HIERARCH ESO ISS PBLA14 END 332.077
HIERARCH ESO ISS PBL23 START 39.741
HIERARCH ESO ISS PBL23 END 39.706
HIERARCH ESO ISS PBLA23 START 213.4
HIERARCH ESO ISS PBLA23 END 213.9
HIERARCH ESO ISS PBL24 START 64.209
HIERARCH ESO ISS PBL24 END 64.152
HIERARCH ESO ISS PBLA24 START 40.584
HIERARCH ESO ISS PBLA24 END 41.037
HIERARCH ESO ISS PBL34 START 103.76
HIERARCH ESO ISS PBL34 END 103.668
HIERARCH ESO ISS PBLA34 START 37.856
HIERARCH ESO ISS PBLA34 END 38.304
HIERARCH ESO ISS AMBI TAU0 START 0.005275
HIERARCH ESO ISS AMBI TAU0 END 0.005733
HIERARCH ESO ISS AMBI TEMP 11.94
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 0.89