Exposure
- ID
- GRAVI.2023-09-02T00:15:46.539_2
- Header ID
- GRAVI.2023-09-02T00:15:46.539
- Date updated
- 2023-09-02 00:30:22 UTC+0000
- Release date
- 2024-09-02 00:30:22 UTC+0000
- UTC Start
- 2023-09-02 00:15:46.539
- UTC End
- 2023-09-02 00:21:46.539
- MJD Start
- 60189.01095531
- MJD End
- 60189.01512197666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0025655
- Ambient temperature (°C)
- 11.52
- Seeing (arcsec)
- 1.03
Observation
- ID
- 56827
- Category
- science
- 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
- 42114
- Name
- IRS16C
- RA
- 266.4171083333333
- DEC
- -29.007644694444444
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 | 56.1330 | 56.0440 | 29.2000 | 29.9000 |
| U1-U3 | 101.5710 | 101.3670 | 35.6000 | 36.2000 |
| U1-U4 | 128.9190 | 128.4790 | 63.9110 | 64.6030 |
| U2-U3 | 46.2090 | 46.0930 | 43.4000 | 44.0000 |
| U2-U4 | 88.7050 | 88.3980 | 85.0130 | 85.7830 |
| U3-U4 | 62.2690 | 62.1410 | 114.5560 | 115.3970 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60189.01095531 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416848 |
| 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 | 56.133 |
| HIERARCH ESO ISS PBL12 END | 56.044 |
| HIERARCH ESO ISS PBLA12 START | 29.2 |
| HIERARCH ESO ISS PBLA12 END | 29.9 |
| HIERARCH ESO ISS PBL13 START | 101.571 |
| HIERARCH ESO ISS PBL13 END | 101.367 |
| HIERARCH ESO ISS PBLA13 START | 35.6 |
| HIERARCH ESO ISS PBLA13 END | 36.2 |
| HIERARCH ESO ISS PBL14 START | 128.919 |
| HIERARCH ESO ISS PBL14 END | 128.479 |
| HIERARCH ESO ISS PBLA14 START | 63.911 |
| HIERARCH ESO ISS PBLA14 END | 64.603 |
| HIERARCH ESO ISS PBL23 START | 46.209 |
| HIERARCH ESO ISS PBL23 END | 46.093 |
| HIERARCH ESO ISS PBLA23 START | 43.4 |
| HIERARCH ESO ISS PBLA23 END | 44.0 |
| HIERARCH ESO ISS PBL24 START | 88.705 |
| HIERARCH ESO ISS PBL24 END | 88.398 |
| HIERARCH ESO ISS PBLA24 START | 85.013 |
| HIERARCH ESO ISS PBLA24 END | 85.783 |
| HIERARCH ESO ISS PBL34 START | 62.269 |
| HIERARCH ESO ISS PBL34 END | 62.141 |
| HIERARCH ESO ISS PBLA34 START | 114.556 |
| HIERARCH ESO ISS PBLA34 END | 115.397 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002656 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002475 |
| HIERARCH ESO ISS AMBI TEMP | 11.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.99 |
| HIERARCH ESO ISS AMBI FWHM END | 1.07 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |