Exposure
- ID
- GRAVI.2021-06-26T05:04:44.203_2
- Header ID
- GRAVI.2021-06-26T05:04:44.203
- Date updated
- 2021-06-26 05:20:27 UTC+0000
- Release date
- 2022-06-26 05:20:27 UTC+0000
- UTC Start
- 2021-06-26 05:04:44.203
- UTC End
- 2021-06-26 05:10:04.203
- MJD Start
- 59391.21162272
- MJD End
- 59391.2153264237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003983
- Ambient temperature (°C)
- 8.43
- Seeing (arcsec)
- 0.455
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 55.7570 | 55.6440 | 31.4000 | 32.0000 |
| U1-U3 | 100.7040 | 100.4410 | 37.8000 | 38.3000 |
| U1-U4 | 126.9840 | 126.3780 | 66.3820 | 66.9610 |
| U2-U3 | 45.7140 | 45.5630 | 45.6000 | 46.1000 |
| U2-U4 | 87.3190 | 86.8750 | 87.8280 | 88.5160 |
| U3-U4 | 61.6570 | 61.4500 | 117.7060 | 118.5050 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59391.21162272 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.417075 |
| DEC | -29.00734 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 55.757 |
| HIERARCH ESO ISS PBL12 END | 55.644 |
| HIERARCH ESO ISS PBLA12 START | 31.4 |
| HIERARCH ESO ISS PBLA12 END | 32.0 |
| HIERARCH ESO ISS PBL13 START | 100.704 |
| HIERARCH ESO ISS PBL13 END | 100.441 |
| HIERARCH ESO ISS PBLA13 START | 37.8 |
| HIERARCH ESO ISS PBLA13 END | 38.3 |
| HIERARCH ESO ISS PBL14 START | 126.984 |
| HIERARCH ESO ISS PBL14 END | 126.378 |
| HIERARCH ESO ISS PBLA14 START | 66.382 |
| HIERARCH ESO ISS PBLA14 END | 66.961 |
| HIERARCH ESO ISS PBL23 START | 45.714 |
| HIERARCH ESO ISS PBL23 END | 45.563 |
| HIERARCH ESO ISS PBLA23 START | 45.6 |
| HIERARCH ESO ISS PBLA23 END | 46.1 |
| HIERARCH ESO ISS PBL24 START | 87.319 |
| HIERARCH ESO ISS PBL24 END | 86.875 |
| HIERARCH ESO ISS PBLA24 START | 87.828 |
| HIERARCH ESO ISS PBLA24 END | 88.516 |
| HIERARCH ESO ISS PBL34 START | 61.657 |
| HIERARCH ESO ISS PBL34 END | 61.45 |
| HIERARCH ESO ISS PBLA34 START | 117.706 |
| HIERARCH ESO ISS PBLA34 END | 118.505 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003661 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004305 |
| HIERARCH ESO ISS AMBI TEMP | 8.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |