Exposure
ID
GRAVI.2025-04-05T06:47:10.432_1
Header ID
GRAVI.2025-04-05T06:47:10.432
Date updated
2025-04-05 07:01:01 UTC+0000
Release date
2025-04-05 06:47:10 UTC+0000
UTC Start
2025-04-05 06:47:10.432
UTC End
2025-04-05 06:50:22.432
MJD Start
60770.28275963
MJD End
60770.28498185222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.008433
Ambient temperature (°C)
14.28
Seeing (arcsec)
0.53
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 23.1320 23.2350 130.8000 131.1000
A0-D0 30.3270 30.4360 53.3000 54.0000
A0-C1 20.1770 20.3100 101.5550 101.9890
B2-D0 33.9340 33.9340 11.6000 12.1000
B2-C1 11.3040 11.3040 11.5280 12.0390
D0-C1 22.6300 22.6300 191.5850 192.0960
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 60770.28275963
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 23.132
HIERARCH ESO ISS PBL12 END 23.235
HIERARCH ESO ISS PBLA12 START 130.8
HIERARCH ESO ISS PBLA12 END 131.1
HIERARCH ESO ISS PBL13 START 30.327
HIERARCH ESO ISS PBL13 END 30.436
HIERARCH ESO ISS PBLA13 START 53.3
HIERARCH ESO ISS PBLA13 END 54.0
HIERARCH ESO ISS PBL14 START 20.177
HIERARCH ESO ISS PBL14 END 20.31
HIERARCH ESO ISS PBLA14 START 101.555
HIERARCH ESO ISS PBLA14 END 101.989
HIERARCH ESO ISS PBL23 START 33.934
HIERARCH ESO ISS PBL23 END 33.934
HIERARCH ESO ISS PBLA23 START 11.6
HIERARCH ESO ISS PBLA23 END 12.1
HIERARCH ESO ISS PBL24 START 11.304
HIERARCH ESO ISS PBL24 END 11.304
HIERARCH ESO ISS PBLA24 START 11.528
HIERARCH ESO ISS PBLA24 END 12.039
HIERARCH ESO ISS PBL34 START 22.63
HIERARCH ESO ISS PBL34 END 22.63
HIERARCH ESO ISS PBLA34 START 191.585
HIERARCH ESO ISS PBLA34 END 192.096
HIERARCH ESO ISS AMBI TAU0 START 0.008804
HIERARCH ESO ISS AMBI TAU0 END 0.008062
HIERARCH ESO ISS AMBI TEMP 14.28
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.54