Exposure
- ID
- GRAVI.2021-06-26T03:24:52.951_2
- Header ID
- GRAVI.2021-06-26T03:24:52.951
- Date updated
- 2021-06-26 03:40:29 UTC+0000
- Release date
- 2022-06-26 03:40:29 UTC+0000
- UTC Start
- 2021-06-26 03:24:52.951
- UTC End
- 2021-06-26 03:30:12.951
- MJD Start
- 59391.14227953
- MJD End
- 59391.1459832337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0053865
- Ambient temperature (°C)
- 9.31
- 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 | 56.5600 | 56.5580 | 20.8000 | 21.5000 |
| U1-U3 | 102.4090 | 102.4270 | 27.1000 | 27.8000 |
| U1-U4 | 129.4240 | 129.6590 | 54.7070 | 55.4720 |
| U2-U3 | 46.5880 | 46.6120 | 34.6000 | 35.3000 |
| U2-U4 | 88.2900 | 88.5710 | 75.6300 | 76.3680 |
| U3-U4 | 61.3080 | 61.5460 | 105.5470 | 106.1760 |
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 | 59391.14227953 |
| 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 | 56.56 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 20.8 |
| HIERARCH ESO ISS PBLA12 END | 21.5 |
| HIERARCH ESO ISS PBL13 START | 102.409 |
| HIERARCH ESO ISS PBL13 END | 102.427 |
| HIERARCH ESO ISS PBLA13 START | 27.1 |
| HIERARCH ESO ISS PBLA13 END | 27.8 |
| HIERARCH ESO ISS PBL14 START | 129.424 |
| HIERARCH ESO ISS PBL14 END | 129.659 |
| HIERARCH ESO ISS PBLA14 START | 54.707 |
| HIERARCH ESO ISS PBLA14 END | 55.472 |
| HIERARCH ESO ISS PBL23 START | 46.588 |
| HIERARCH ESO ISS PBL23 END | 46.612 |
| HIERARCH ESO ISS PBLA23 START | 34.6 |
| HIERARCH ESO ISS PBLA23 END | 35.3 |
| HIERARCH ESO ISS PBL24 START | 88.29 |
| HIERARCH ESO ISS PBL24 END | 88.571 |
| HIERARCH ESO ISS PBLA24 START | 75.63 |
| HIERARCH ESO ISS PBLA24 END | 76.368 |
| HIERARCH ESO ISS PBL34 START | 61.308 |
| HIERARCH ESO ISS PBL34 END | 61.546 |
| HIERARCH ESO ISS PBLA34 START | 105.547 |
| HIERARCH ESO ISS PBLA34 END | 106.176 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005401 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005372 |
| HIERARCH ESO ISS AMBI TEMP | 9.31 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |