Exposure
ID
GRAVI.2025-04-06T06:09:27.078_1
Header ID
GRAVI.2025-04-06T06:09:27.078
Date updated
2025-04-06 06:25:53 UTC+0000
Release date
2025-04-06 06:09:27 UTC+0000
UTC Start
2025-04-06 06:09:27.078
UTC End
2025-04-06 06:12:39.078
MJD Start
60771.2565634
MJD End
60771.25878562222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0036220000000000002
Ambient temperature (°C)
14.17
Seeing (arcsec)
0.55
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 22.0570 22.1860 128.4000 128.6000
A0-D0 29.2280 29.3560 46.8000 47.6000
A0-C1 18.7890 18.9560 97.5600 98.0040
B2-D0 33.9280 33.9290 6.8000 7.3000
B2-C1 11.3020 11.3020 6.7840 7.3100
D0-C1 22.6260 22.6270 186.8370 187.3640
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 60771.2565634
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 22.057
HIERARCH ESO ISS PBL12 END 22.186
HIERARCH ESO ISS PBLA12 START 128.4
HIERARCH ESO ISS PBLA12 END 128.6
HIERARCH ESO ISS PBL13 START 29.228
HIERARCH ESO ISS PBL13 END 29.356
HIERARCH ESO ISS PBLA13 START 46.8
HIERARCH ESO ISS PBLA13 END 47.6
HIERARCH ESO ISS PBL14 START 18.789
HIERARCH ESO ISS PBL14 END 18.956
HIERARCH ESO ISS PBLA14 START 97.56
HIERARCH ESO ISS PBLA14 END 98.004
HIERARCH ESO ISS PBL23 START 33.928
HIERARCH ESO ISS PBL23 END 33.929
HIERARCH ESO ISS PBLA23 START 6.8
HIERARCH ESO ISS PBLA23 END 7.3
HIERARCH ESO ISS PBL24 START 11.302
HIERARCH ESO ISS PBL24 END 11.302
HIERARCH ESO ISS PBLA24 START 6.784
HIERARCH ESO ISS PBLA24 END 7.31
HIERARCH ESO ISS PBL34 START 22.626
HIERARCH ESO ISS PBL34 END 22.627
HIERARCH ESO ISS PBLA34 START 186.837
HIERARCH ESO ISS PBLA34 END 187.364
HIERARCH ESO ISS AMBI TAU0 START 0.003601
HIERARCH ESO ISS AMBI TAU0 END 0.003643
HIERARCH ESO ISS AMBI TEMP 14.17
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55