Exposure
ID
GRAVI.2025-04-06T05:28:47.974_1
Header ID
GRAVI.2025-04-06T05:28:47.974
Date updated
2025-04-06 05:40:58 UTC+0000
Release date
2025-04-06 05:28:47 UTC+0000
UTC Start
2025-04-06 05:28:47.974
UTC End
2025-04-06 05:31:59.974
MJD Start
60771.22833303
MJD End
60771.23055525222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0027765
Ambient temperature (°C)
14.22
Seeing (arcsec)
0.58
Observation
ID
66036
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
49157
Name
HD_168592
RA
275.574244
DEC
-38.65706
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 15.0290 15.2550 118.2000 118.4000
A0-D0 26.8520 26.9080 14.2000 15.2000
A0-C1 11.6980 11.9280 70.3590 71.3270
B2-D0 33.8070 33.8140 348.6000 349.1000
B2-C1 11.2610 11.2630 348.6010 349.1190
D0-C1 22.5460 22.5510 168.6340 169.1520
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 60771.22833303
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.574244
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 15.029
HIERARCH ESO ISS PBL12 END 15.255
HIERARCH ESO ISS PBLA12 START 118.2
HIERARCH ESO ISS PBLA12 END 118.4
HIERARCH ESO ISS PBL13 START 26.852
HIERARCH ESO ISS PBL13 END 26.908
HIERARCH ESO ISS PBLA13 START 14.2
HIERARCH ESO ISS PBLA13 END 15.2
HIERARCH ESO ISS PBL14 START 11.698
HIERARCH ESO ISS PBL14 END 11.928
HIERARCH ESO ISS PBLA14 START 70.359
HIERARCH ESO ISS PBLA14 END 71.327
HIERARCH ESO ISS PBL23 START 33.807
HIERARCH ESO ISS PBL23 END 33.814
HIERARCH ESO ISS PBLA23 START 348.6
HIERARCH ESO ISS PBLA23 END 349.1
HIERARCH ESO ISS PBL24 START 11.261
HIERARCH ESO ISS PBL24 END 11.263
HIERARCH ESO ISS PBLA24 START 348.601
HIERARCH ESO ISS PBLA24 END 349.119
HIERARCH ESO ISS PBL34 START 22.546
HIERARCH ESO ISS PBL34 END 22.551
HIERARCH ESO ISS PBLA34 START 168.634
HIERARCH ESO ISS PBLA34 END 169.152
HIERARCH ESO ISS AMBI TAU0 START 0.002675
HIERARCH ESO ISS AMBI TAU0 END 0.002878
HIERARCH ESO ISS AMBI TEMP 14.22
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58