Exposure
ID
GRAVI.2025-05-26T07:47:47.027_1
Header ID
GRAVI.2025-05-26T07:47:47.027
Date updated
2025-05-26 08:01:21 UTC+0000
Release date
2025-05-26 07:47:47 UTC+0000
UTC Start
2025-05-26 07:47:47.027
UTC End
2025-05-26 07:50:27.027
MJD Start
60821.32484985
MJD End
60821.32670170186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005543
Ambient temperature (°C)
11.34
Seeing (arcsec)
0.54
Observation
ID
67592
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
50268
Name
HD_182477
RA
291.338024
DEC
-13.89675
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.3070 90.2340 115.3000 115.5000
A0-J2 129.2320 129.2340 92.5000 92.7000
A0-K0 127.6000 127.7080 71.0690 71.2730
G1-J2 57.8000 57.8690 55.2000 55.5000
G1-K0 89.0780 89.1640 26.0210 26.3210
J2-K0 47.8410 47.8220 349.8770 350.1950
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 60821.32484985
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 182477
HIERARCH ESO INS SOBJ NAME HD_182477
RA 291.338024
DEC -13.89675
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 90.307
HIERARCH ESO ISS PBL12 END 90.234
HIERARCH ESO ISS PBLA12 START 115.3
HIERARCH ESO ISS PBLA12 END 115.5
HIERARCH ESO ISS PBL13 START 129.232
HIERARCH ESO ISS PBL13 END 129.234
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 127.6
HIERARCH ESO ISS PBL14 END 127.708
HIERARCH ESO ISS PBLA14 START 71.069
HIERARCH ESO ISS PBLA14 END 71.273
HIERARCH ESO ISS PBL23 START 57.8
HIERARCH ESO ISS PBL23 END 57.869
HIERARCH ESO ISS PBLA23 START 55.2
HIERARCH ESO ISS PBLA23 END 55.5
HIERARCH ESO ISS PBL24 START 89.078
HIERARCH ESO ISS PBL24 END 89.164
HIERARCH ESO ISS PBLA24 START 26.021
HIERARCH ESO ISS PBLA24 END 26.321
HIERARCH ESO ISS PBL34 START 47.841
HIERARCH ESO ISS PBL34 END 47.822
HIERARCH ESO ISS PBLA34 START 349.877
HIERARCH ESO ISS PBLA34 END 350.195
HIERARCH ESO ISS AMBI TAU0 START 0.005648
HIERARCH ESO ISS AMBI TAU0 END 0.005438
HIERARCH ESO ISS AMBI TEMP 11.34
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.53