Exposure
- ID
- GRAVI.2023-06-03T07:04:18.762_2
- Header ID
- GRAVI.2023-06-03T07:04:18.762
- Date updated
- 2023-06-03 07:16:09 UTC+0000
- Release date
- 2024-06-03 07:16:09 UTC+0000
- UTC Start
- 2023-06-03 07:04:18.762
- UTC End
- 2023-06-03 07:10:18.762
- MJD Start
- 60098.2946616
- MJD End
- 60098.2988282667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041225
- Ambient temperature (°C)
- 13.82
- Seeing (arcsec)
- 0.4
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- 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 | 55.1390 | 54.9570 | 33.8000 | 34.3000 |
| U1-U3 | 99.2660 | 98.8440 | 40.1000 | 40.6000 |
| U1-U4 | 123.6380 | 122.6490 | 69.0590 | 69.6800 |
| U2-U3 | 44.8840 | 44.6400 | 47.9000 | 48.4000 |
| U2-U4 | 84.8510 | 84.1190 | 91.1160 | 91.9240 |
| U3-U4 | 60.5010 | 60.1580 | 121.6260 | 122.6240 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60098.2946616 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416794 |
| DEC | -29.00721 |
| 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 | 55.139 |
| HIERARCH ESO ISS PBL12 END | 54.957 |
| HIERARCH ESO ISS PBLA12 START | 33.8 |
| HIERARCH ESO ISS PBLA12 END | 34.3 |
| HIERARCH ESO ISS PBL13 START | 99.266 |
| HIERARCH ESO ISS PBL13 END | 98.844 |
| HIERARCH ESO ISS PBLA13 START | 40.1 |
| HIERARCH ESO ISS PBLA13 END | 40.6 |
| HIERARCH ESO ISS PBL14 START | 123.638 |
| HIERARCH ESO ISS PBL14 END | 122.649 |
| HIERARCH ESO ISS PBLA14 START | 69.059 |
| HIERARCH ESO ISS PBLA14 END | 69.68 |
| HIERARCH ESO ISS PBL23 START | 44.884 |
| HIERARCH ESO ISS PBL23 END | 44.64 |
| HIERARCH ESO ISS PBLA23 START | 47.9 |
| HIERARCH ESO ISS PBLA23 END | 48.4 |
| HIERARCH ESO ISS PBL24 START | 84.851 |
| HIERARCH ESO ISS PBL24 END | 84.119 |
| HIERARCH ESO ISS PBLA24 START | 91.116 |
| HIERARCH ESO ISS PBLA24 END | 91.924 |
| HIERARCH ESO ISS PBL34 START | 60.501 |
| HIERARCH ESO ISS PBL34 END | 60.158 |
| HIERARCH ESO ISS PBLA34 START | 121.626 |
| HIERARCH ESO ISS PBLA34 END | 122.624 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003984 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004261 |
| HIERARCH ESO ISS AMBI TEMP | 13.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |