Exposure
- ID
- GRAVI.2023-07-01T02:02:08.775_2
- Header ID
- GRAVI.2023-07-01T02:02:08.775
- Date updated
- 2023-07-01 02:18:04 UTC+0000
- Release date
- 2023-07-01 02:02:08 UTC+0000
- UTC Start
- 2023-07-01 02:02:08.775
- UTC End
- 2023-07-01 02:08:08.775
- MJD Start
- 60126.08482379
- MJD End
- 60126.0889904567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005969
- Ambient temperature (°C)
- 19.33
- Seeing (arcsec)
- 0.875
Observation
- ID
- 56078
- Category
- calibrator
- Program ID
- 111.24H1.003
- 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
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
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 | 56.4110 | 56.4330 | 12.4000 | 13.3000 |
| U1-U3 | 101.7180 | 101.8110 | 18.2000 | 19.1000 |
| U1-U4 | 124.3830 | 125.0450 | 44.8280 | 45.9190 |
| U2-U3 | 45.9490 | 46.0330 | 25.3000 | 26.3000 |
| U2-U4 | 82.5380 | 83.3030 | 66.3480 | 67.3640 |
| U3-U4 | 56.6090 | 57.2400 | 98.5710 | 99.2610 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60126.08482379 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416858 |
| DEC | -29.00732 |
| 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 | 56.411 |
| HIERARCH ESO ISS PBL12 END | 56.433 |
| HIERARCH ESO ISS PBLA12 START | 12.4 |
| HIERARCH ESO ISS PBLA12 END | 13.3 |
| HIERARCH ESO ISS PBL13 START | 101.718 |
| HIERARCH ESO ISS PBL13 END | 101.811 |
| HIERARCH ESO ISS PBLA13 START | 18.2 |
| HIERARCH ESO ISS PBLA13 END | 19.1 |
| HIERARCH ESO ISS PBL14 START | 124.383 |
| HIERARCH ESO ISS PBL14 END | 125.045 |
| HIERARCH ESO ISS PBLA14 START | 44.828 |
| HIERARCH ESO ISS PBLA14 END | 45.919 |
| HIERARCH ESO ISS PBL23 START | 45.949 |
| HIERARCH ESO ISS PBL23 END | 46.033 |
| HIERARCH ESO ISS PBLA23 START | 25.3 |
| HIERARCH ESO ISS PBLA23 END | 26.3 |
| HIERARCH ESO ISS PBL24 START | 82.538 |
| HIERARCH ESO ISS PBL24 END | 83.303 |
| HIERARCH ESO ISS PBLA24 START | 66.348 |
| HIERARCH ESO ISS PBLA24 END | 67.364 |
| HIERARCH ESO ISS PBL34 START | 56.609 |
| HIERARCH ESO ISS PBL34 END | 57.24 |
| HIERARCH ESO ISS PBLA34 START | 98.571 |
| HIERARCH ESO ISS PBLA34 END | 99.261 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005646 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006292 |
| HIERARCH ESO ISS AMBI TEMP | 19.33 |
| HIERARCH ESO ISS AMBI FWHM START | 0.97 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |