Exposure
- ID
- GRAVI.2023-08-03T01:51:28.151_2
- Header ID
- GRAVI.2023-08-03T01:51:28.151
- Date updated
- 2023-08-03 02:10:24 UTC+0000
- Release date
- 2023-08-03 01:51:28 UTC+0000
- UTC Start
- 2023-08-03 01:51:28.151
- UTC End
- 2023-08-03 01:57:28.151
- MJD Start
- 60159.07740916
- MJD End
- 60159.08157582667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0063065
- Ambient temperature (°C)
- 18.66
- Seeing (arcsec)
- 0.48
Observation
- ID
- 56472
- Category
- calibrator
- Program ID
- 111.24H1.004
- 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 | 56.3660 | 56.3080 | 26.9000 | 27.6000 |
| U1-U3 | 102.0920 | 101.9670 | 33.3000 | 34.0000 |
| U1-U4 | 129.9320 | 129.7140 | 61.4080 | 62.1530 |
| U2-U3 | 46.4950 | 46.4280 | 41.0000 | 41.7000 |
| U2-U4 | 89.3470 | 89.2260 | 82.3240 | 83.1100 |
| U3-U4 | 62.4710 | 62.4520 | 111.7430 | 112.5460 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.004 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60159.07740916 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.41687 |
| DEC | -29.00725 |
| 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 | 56.366 |
| HIERARCH ESO ISS PBL12 END | 56.308 |
| HIERARCH ESO ISS PBLA12 START | 26.9 |
| HIERARCH ESO ISS PBLA12 END | 27.6 |
| HIERARCH ESO ISS PBL13 START | 102.092 |
| HIERARCH ESO ISS PBL13 END | 101.967 |
| HIERARCH ESO ISS PBLA13 START | 33.3 |
| HIERARCH ESO ISS PBLA13 END | 34.0 |
| HIERARCH ESO ISS PBL14 START | 129.932 |
| HIERARCH ESO ISS PBL14 END | 129.714 |
| HIERARCH ESO ISS PBLA14 START | 61.408 |
| HIERARCH ESO ISS PBLA14 END | 62.153 |
| HIERARCH ESO ISS PBL23 START | 46.495 |
| HIERARCH ESO ISS PBL23 END | 46.428 |
| HIERARCH ESO ISS PBLA23 START | 41.0 |
| HIERARCH ESO ISS PBLA23 END | 41.7 |
| HIERARCH ESO ISS PBL24 START | 89.347 |
| HIERARCH ESO ISS PBL24 END | 89.226 |
| HIERARCH ESO ISS PBLA24 START | 82.324 |
| HIERARCH ESO ISS PBLA24 END | 83.11 |
| HIERARCH ESO ISS PBL34 START | 62.471 |
| HIERARCH ESO ISS PBL34 END | 62.452 |
| HIERARCH ESO ISS PBLA34 START | 111.743 |
| HIERARCH ESO ISS PBLA34 END | 112.546 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006485 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006128 |
| HIERARCH ESO ISS AMBI TEMP | 18.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |