Exposure
- ID
- GRAVI.2023-08-03T03:22:16.382_2
- Header ID
- GRAVI.2023-08-03T03:22:16.382
- Date updated
- 2023-08-03 03:40:35 UTC+0000
- Release date
- 2024-08-03 03:40:35 UTC+0000
- UTC Start
- 2023-08-03 03:22:16.382
- UTC End
- 2023-08-03 03:28:16.382
- MJD Start
- 60159.14046738
- MJD End
- 60159.144634046665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0051655
- Ambient temperature (°C)
- 18.86
- Seeing (arcsec)
- 0.635
Observation
- ID
- 56474
- Category
- science
- 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 | 54.6140 | 54.3970 | 35.1000 | 35.6000 |
| U1-U3 | 98.0460 | 97.5420 | 41.5000 | 41.9000 |
| U1-U4 | 120.7800 | 119.6030 | 70.7280 | 71.3250 |
| U2-U3 | 44.1790 | 43.8880 | 49.3000 | 49.8000 |
| U2-U4 | 82.7380 | 81.8700 | 93.3320 | 94.1610 |
| U3-U4 | 59.5160 | 59.1160 | 124.3950 | 125.4550 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60159.14046738 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| 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 | 54.614 |
| HIERARCH ESO ISS PBL12 END | 54.397 |
| HIERARCH ESO ISS PBLA12 START | 35.1 |
| HIERARCH ESO ISS PBLA12 END | 35.6 |
| HIERARCH ESO ISS PBL13 START | 98.046 |
| HIERARCH ESO ISS PBL13 END | 97.542 |
| HIERARCH ESO ISS PBLA13 START | 41.5 |
| HIERARCH ESO ISS PBLA13 END | 41.9 |
| HIERARCH ESO ISS PBL14 START | 120.78 |
| HIERARCH ESO ISS PBL14 END | 119.603 |
| HIERARCH ESO ISS PBLA14 START | 70.728 |
| HIERARCH ESO ISS PBLA14 END | 71.325 |
| HIERARCH ESO ISS PBL23 START | 44.179 |
| HIERARCH ESO ISS PBL23 END | 43.888 |
| HIERARCH ESO ISS PBLA23 START | 49.3 |
| HIERARCH ESO ISS PBLA23 END | 49.8 |
| HIERARCH ESO ISS PBL24 START | 82.738 |
| HIERARCH ESO ISS PBL24 END | 81.87 |
| HIERARCH ESO ISS PBLA24 START | 93.332 |
| HIERARCH ESO ISS PBLA24 END | 94.161 |
| HIERARCH ESO ISS PBL34 START | 59.516 |
| HIERARCH ESO ISS PBL34 END | 59.116 |
| HIERARCH ESO ISS PBLA34 START | 124.395 |
| HIERARCH ESO ISS PBLA34 END | 125.455 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004874 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005457 |
| HIERARCH ESO ISS AMBI TEMP | 18.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |