Exposure
- ID
- GRAVI.2021-06-26T04:11:20.069_2
- Header ID
- GRAVI.2021-06-26T04:11:20.069
- Date updated
- 2021-06-26 04:25:15 UTC+0000
- Release date
- 2022-06-26 04:25:15 UTC+0000
- UTC Start
- 2021-06-26 04:11:20.069
- UTC End
- 2021-06-26 04:16:40.069
- MJD Start
- 59391.17453783
- MJD End
- 59391.1782415337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003737
- Ambient temperature (°C)
- 8.88
- Seeing (arcsec)
- 0.41
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 | 56.4210 | 56.3800 | 26.2000 | 26.8000 |
| U1-U3 | 102.2110 | 102.1230 | 32.5000 | 33.1000 |
| U1-U4 | 130.1050 | 129.9810 | 60.5450 | 61.2130 |
| U2-U3 | 46.5560 | 46.5110 | 40.2000 | 40.8000 |
| U2-U4 | 89.4200 | 89.3710 | 81.4250 | 82.1190 |
| U3-U4 | 62.4530 | 62.4710 | 110.8450 | 111.5360 |
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 | 59391.17453783 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416733 |
| DEC | -29.00724 |
| 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 | 56.421 |
| HIERARCH ESO ISS PBL12 END | 56.38 |
| HIERARCH ESO ISS PBLA12 START | 26.2 |
| HIERARCH ESO ISS PBLA12 END | 26.8 |
| HIERARCH ESO ISS PBL13 START | 102.211 |
| HIERARCH ESO ISS PBL13 END | 102.123 |
| HIERARCH ESO ISS PBLA13 START | 32.5 |
| HIERARCH ESO ISS PBLA13 END | 33.1 |
| HIERARCH ESO ISS PBL14 START | 130.105 |
| HIERARCH ESO ISS PBL14 END | 129.981 |
| HIERARCH ESO ISS PBLA14 START | 60.545 |
| HIERARCH ESO ISS PBLA14 END | 61.213 |
| HIERARCH ESO ISS PBL23 START | 46.556 |
| HIERARCH ESO ISS PBL23 END | 46.511 |
| HIERARCH ESO ISS PBLA23 START | 40.2 |
| HIERARCH ESO ISS PBLA23 END | 40.8 |
| HIERARCH ESO ISS PBL24 START | 89.42 |
| HIERARCH ESO ISS PBL24 END | 89.371 |
| HIERARCH ESO ISS PBLA24 START | 81.425 |
| HIERARCH ESO ISS PBLA24 END | 82.119 |
| HIERARCH ESO ISS PBL34 START | 62.453 |
| HIERARCH ESO ISS PBL34 END | 62.471 |
| HIERARCH ESO ISS PBLA34 START | 110.845 |
| HIERARCH ESO ISS PBLA34 END | 111.536 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004228 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003246 |
| HIERARCH ESO ISS AMBI TEMP | 8.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| 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 |