Exposure
- ID
- GRAVI.2023-01-14T01:47:47.883_2
- Header ID
- GRAVI.2023-01-14T01:47:47.883
- Date updated
- 2023-01-14 01:56:34 UTC+0000
- Release date
- 2023-01-14 01:56:34 UTC+0000
- UTC Start
- 2023-01-14 01:47:47.883
- UTC End
- 2023-01-14 01:47:57.483
- MJD Start
- 59958.07485976
- MJD End
- 59958.0749708711
- Exposure time (s)
- 9.6
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003625
- Ambient temperature (°C)
- 11.37
- Seeing (arcsec)
- 1.03
Observation
- ID
- 53860
- Category
- science
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY, P
Target
- ID
- 40044
- Name
- Betelgeuse
- RA
- 96.195575
- DEC
- 3.76326138888889
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 25.2370 | 25.2340 | 136.1000 | 136.1000 |
| A0-D0 | 26.4350 | 26.4700 | 71.7000 | 71.7000 |
| A0-C1 | 22.1030 | 22.1120 | 115.0580 | 115.0400 |
| B2-D0 | 27.5510 | 27.5620 | 16.0000 | 16.1000 |
| B2-C1 | 9.1790 | 9.1830 | 15.9570 | 16.0300 |
| D0-C1 | 18.3720 | 18.3790 | 196.0330 | 196.1060 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9801(U) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59958.07485976 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 44945 |
| HIERARCH ESO INS SOBJ NAME | Nothing |
| RA | 96.193343 |
| DEC | 3.76339 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| 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 | 32.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 25.237 |
| HIERARCH ESO ISS PBL12 END | 25.234 |
| HIERARCH ESO ISS PBLA12 START | 136.1 |
| HIERARCH ESO ISS PBLA12 END | 136.1 |
| HIERARCH ESO ISS PBL13 START | 26.435 |
| HIERARCH ESO ISS PBL13 END | 26.47 |
| HIERARCH ESO ISS PBLA13 START | 71.7 |
| HIERARCH ESO ISS PBLA13 END | 71.7 |
| HIERARCH ESO ISS PBL14 START | 22.103 |
| HIERARCH ESO ISS PBL14 END | 22.112 |
| HIERARCH ESO ISS PBLA14 START | 115.058 |
| HIERARCH ESO ISS PBLA14 END | 115.04 |
| HIERARCH ESO ISS PBL23 START | 27.551 |
| HIERARCH ESO ISS PBL23 END | 27.562 |
| HIERARCH ESO ISS PBLA23 START | 16.0 |
| HIERARCH ESO ISS PBLA23 END | 16.1 |
| HIERARCH ESO ISS PBL24 START | 9.179 |
| HIERARCH ESO ISS PBL24 END | 9.183 |
| HIERARCH ESO ISS PBLA24 START | 15.957 |
| HIERARCH ESO ISS PBLA24 END | 16.03 |
| HIERARCH ESO ISS PBL34 START | 18.372 |
| HIERARCH ESO ISS PBL34 END | 18.379 |
| HIERARCH ESO ISS PBLA34 START | 196.033 |
| HIERARCH ESO ISS PBLA34 END | 196.106 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003625 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003625 |
| HIERARCH ESO ISS AMBI TEMP | 11.37 |
| HIERARCH ESO ISS AMBI FWHM START | 1.03 |
| HIERARCH ESO ISS AMBI FWHM END | 1.03 |
| HIERARCH ESO FT ROBJ NAME | Betelgeuse |
| HIERARCH ESO FT ROBJ ALPHA | 062446.938 |
| HIERARCH ESO FT ROBJ DELTA | 034547.741 |