Exposure
ID
GRAVI.2025-04-06T04:40:44.852_1
Header ID
GRAVI.2025-04-06T04:40:44.852
Date updated
2025-04-06 04:50:58 UTC+0000
Release date
2025-04-06 04:40:44 UTC+0000
UTC Start
2025-04-06 04:40:44.852
UTC End
2025-04-06 04:43:56.852
MJD Start
60771.19496356
MJD End
60771.19718578223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005799
Ambient temperature (°C)
14.21
Seeing (arcsec)
0.44499999999999995
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 18.1030 18.2990 124.3000 124.4000
A0-D0 26.1850 26.2950 25.9000 26.9000
A0-C1 13.8250 14.0640 85.6510 86.2340
B2-D0 33.9260 33.9250 354.0000 354.6000
B2-C1 11.3010 11.3010 354.0190 354.5480
D0-C1 22.6250 22.6240 174.0580 174.5870
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 60771.19496356
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 18.103
HIERARCH ESO ISS PBL12 END 18.299
HIERARCH ESO ISS PBLA12 START 124.3
HIERARCH ESO ISS PBLA12 END 124.4
HIERARCH ESO ISS PBL13 START 26.185
HIERARCH ESO ISS PBL13 END 26.295
HIERARCH ESO ISS PBLA13 START 25.9
HIERARCH ESO ISS PBLA13 END 26.9
HIERARCH ESO ISS PBL14 START 13.825
HIERARCH ESO ISS PBL14 END 14.064
HIERARCH ESO ISS PBLA14 START 85.651
HIERARCH ESO ISS PBLA14 END 86.234
HIERARCH ESO ISS PBL23 START 33.926
HIERARCH ESO ISS PBL23 END 33.925
HIERARCH ESO ISS PBLA23 START 354.0
HIERARCH ESO ISS PBLA23 END 354.6
HIERARCH ESO ISS PBL24 START 11.301
HIERARCH ESO ISS PBL24 END 11.301
HIERARCH ESO ISS PBLA24 START 354.019
HIERARCH ESO ISS PBLA24 END 354.548
HIERARCH ESO ISS PBL34 START 22.625
HIERARCH ESO ISS PBL34 END 22.624
HIERARCH ESO ISS PBLA34 START 174.058
HIERARCH ESO ISS PBLA34 END 174.587
HIERARCH ESO ISS AMBI TAU0 START 0.006159
HIERARCH ESO ISS AMBI TAU0 END 0.005439
HIERARCH ESO ISS AMBI TEMP 14.21
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.47