Exposure
ID
GRAVI.2025-04-06T04:48:56.873_1
Header ID
GRAVI.2025-04-06T04:48:56.873
Date updated
2025-04-06 05:01:02 UTC+0000
Release date
2025-04-06 04:48:56 UTC+0000
UTC Start
2025-04-06 04:48:56.873
UTC End
2025-04-06 04:52:08.873
MJD Start
60771.20065825
MJD End
60771.20288047223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004621
Ambient temperature (°C)
14.25
Seeing (arcsec)
0.485
Observation
ID
66034
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
49155
Name
HD_152636
RA
253.988066
DEC
-33.50683
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 18.5330 18.7220 124.5000 124.6000
A0-D0 26.4310 26.5470 28.1000 29.1000
A0-C1 14.3510 14.5850 86.9260 87.4790
B2-D0 33.9240 33.9230 355.2000 355.7000
B2-C1 11.3010 11.3000 355.1920 355.7190
D0-C1 22.6240 22.6230 175.2320 175.7600
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 60771.20065825
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.988066
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 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 18.533
HIERARCH ESO ISS PBL12 END 18.722
HIERARCH ESO ISS PBLA12 START 124.5
HIERARCH ESO ISS PBLA12 END 124.6
HIERARCH ESO ISS PBL13 START 26.431
HIERARCH ESO ISS PBL13 END 26.547
HIERARCH ESO ISS PBLA13 START 28.1
HIERARCH ESO ISS PBLA13 END 29.1
HIERARCH ESO ISS PBL14 START 14.351
HIERARCH ESO ISS PBL14 END 14.585
HIERARCH ESO ISS PBLA14 START 86.926
HIERARCH ESO ISS PBLA14 END 87.479
HIERARCH ESO ISS PBL23 START 33.924
HIERARCH ESO ISS PBL23 END 33.923
HIERARCH ESO ISS PBLA23 START 355.2
HIERARCH ESO ISS PBLA23 END 355.7
HIERARCH ESO ISS PBL24 START 11.301
HIERARCH ESO ISS PBL24 END 11.3
HIERARCH ESO ISS PBLA24 START 355.192
HIERARCH ESO ISS PBLA24 END 355.719
HIERARCH ESO ISS PBL34 START 22.624
HIERARCH ESO ISS PBL34 END 22.623
HIERARCH ESO ISS PBLA34 START 175.232
HIERARCH ESO ISS PBLA34 END 175.76
HIERARCH ESO ISS AMBI TAU0 START 0.004938
HIERARCH ESO ISS AMBI TAU0 END 0.004304
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.5