Exposure
- ID
- GRAVI.2021-06-21T07:12:28.903_2
- Header ID
- GRAVI.2021-06-21T07:12:28.903
- Date updated
- 2021-06-21 07:25:14 UTC+0000
- Release date
- 2022-06-21 07:25:14 UTC+0000
- UTC Start
- 2021-06-21 07:12:28.903
- UTC End
- 2021-06-21 07:17:48.903
- MJD Start
- 59386.30033452
- MJD End
- 59386.3040382237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002621
- Ambient temperature (°C)
- 8.93
- Seeing (arcsec)
- 0.68
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 | 51.8940 | 51.5780 | 39.0000 | 39.2000 |
| U1-U3 | 91.7900 | 91.0700 | 45.2000 | 45.4000 |
| U1-U4 | 106.3810 | 104.7550 | 76.2990 | 76.7850 |
| U2-U3 | 40.5900 | 40.1800 | 53.1000 | 53.4000 |
| U2-U4 | 72.3320 | 71.1900 | 102.0920 | 102.9920 |
| U3-U4 | 55.0060 | 54.5520 | 135.9200 | 137.1160 |
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 | 59386.30033452 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416992 |
| DEC | -29.00736 |
| 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 | 51.894 |
| HIERARCH ESO ISS PBL12 END | 51.578 |
| HIERARCH ESO ISS PBLA12 START | 39.0 |
| HIERARCH ESO ISS PBLA12 END | 39.2 |
| HIERARCH ESO ISS PBL13 START | 91.79 |
| HIERARCH ESO ISS PBL13 END | 91.07 |
| HIERARCH ESO ISS PBLA13 START | 45.2 |
| HIERARCH ESO ISS PBLA13 END | 45.4 |
| HIERARCH ESO ISS PBL14 START | 106.381 |
| HIERARCH ESO ISS PBL14 END | 104.755 |
| HIERARCH ESO ISS PBLA14 START | 76.299 |
| HIERARCH ESO ISS PBLA14 END | 76.785 |
| HIERARCH ESO ISS PBL23 START | 40.59 |
| HIERARCH ESO ISS PBL23 END | 40.18 |
| HIERARCH ESO ISS PBLA23 START | 53.1 |
| HIERARCH ESO ISS PBLA23 END | 53.4 |
| HIERARCH ESO ISS PBL24 START | 72.332 |
| HIERARCH ESO ISS PBL24 END | 71.19 |
| HIERARCH ESO ISS PBLA24 START | 102.092 |
| HIERARCH ESO ISS PBLA24 END | 102.992 |
| HIERARCH ESO ISS PBL34 START | 55.006 |
| HIERARCH ESO ISS PBL34 END | 54.552 |
| HIERARCH ESO ISS PBLA34 START | 135.92 |
| HIERARCH ESO ISS PBLA34 END | 137.116 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002629 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002613 |
| HIERARCH ESO ISS AMBI TEMP | 8.93 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |