Exposure
- ID
- GRAVI.2023-08-28T23:40:22.660_2
- Header ID
- GRAVI.2023-08-28T23:40:22.660
- Date updated
- 2023-08-28 23:55:26 UTC+0000
- Release date
- 2023-08-28 23:40:22 UTC+0000
- UTC Start
- 2023-08-28 23:40:22.660
- UTC End
- 2023-08-28 23:46:22.660
- MJD Start
- 60184.98637338
- MJD End
- 60184.99054004667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004287
- Ambient temperature (°C)
- 13.89
- Seeing (arcsec)
- 0.725
Observation
- ID
- 56802
- Category
- calibrator
- Program ID
- 111.24H1.005
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41849
- Name
- IRS16C
- RA
- 266.4171083333333
- DEC
- -29.007645
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5240 | 56.3430 | 23.8000 | 26.1000 |
| U1-U3 | 102.4060 | 102.0880 | 30.1000 | 32.5000 |
| U1-U4 | 130.1510 | 130.0590 | 57.9610 | 60.5260 |
| U2-U3 | 46.6390 | 46.5110 | 37.7000 | 40.2000 |
| U2-U4 | 89.2330 | 89.4190 | 78.8080 | 81.3750 |
| U3-U4 | 62.1490 | 62.4350 | 108.3480 | 110.7450 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60184.98637338 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416934 |
| DEC | -29.00737 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.524 |
| HIERARCH ESO ISS PBL12 END | 56.343 |
| HIERARCH ESO ISS PBLA12 START | 23.8 |
| HIERARCH ESO ISS PBLA12 END | 26.1 |
| HIERARCH ESO ISS PBL13 START | 102.406 |
| HIERARCH ESO ISS PBL13 END | 102.088 |
| HIERARCH ESO ISS PBLA13 START | 30.1 |
| HIERARCH ESO ISS PBLA13 END | 32.5 |
| HIERARCH ESO ISS PBL14 START | 130.151 |
| HIERARCH ESO ISS PBL14 END | 130.059 |
| HIERARCH ESO ISS PBLA14 START | 57.961 |
| HIERARCH ESO ISS PBLA14 END | 60.526 |
| HIERARCH ESO ISS PBL23 START | 46.639 |
| HIERARCH ESO ISS PBL23 END | 46.511 |
| HIERARCH ESO ISS PBLA23 START | 37.7 |
| HIERARCH ESO ISS PBLA23 END | 40.2 |
| HIERARCH ESO ISS PBL24 START | 89.233 |
| HIERARCH ESO ISS PBL24 END | 89.419 |
| HIERARCH ESO ISS PBLA24 START | 78.808 |
| HIERARCH ESO ISS PBLA24 END | 81.375 |
| HIERARCH ESO ISS PBL34 START | 62.149 |
| HIERARCH ESO ISS PBL34 END | 62.435 |
| HIERARCH ESO ISS PBLA34 START | 108.348 |
| HIERARCH ESO ISS PBLA34 END | 110.745 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004542 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004032 |
| HIERARCH ESO ISS AMBI TEMP | 13.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.75 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |