Exposure
- ID
- GRAVI.2021-06-26T04:04:35.051_2
- Header ID
- GRAVI.2021-06-26T04:04:35.051
- Date updated
- 2021-06-26 04:20:26 UTC+0000
- Release date
- 2022-06-26 04:20:26 UTC+0000
- UTC Start
- 2021-06-26 04:04:35.051
- UTC End
- 2021-06-26 04:09:55.051
- MJD Start
- 59391.16985013
- MJD End
- 59391.1735538337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005155
- Ambient temperature (°C)
- 8.97
- Seeing (arcsec)
- 0.47
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 | 56.4620 | 56.4280 | 25.4000 | 26.0000 |
| U1-U3 | 102.2940 | 102.2250 | 31.8000 | 32.4000 |
| U1-U4 | 130.1890 | 130.1220 | 59.7450 | 60.4240 |
| U2-U3 | 46.5960 | 46.5630 | 39.4000 | 40.1000 |
| U2-U4 | 89.4230 | 89.4240 | 80.6050 | 81.3000 |
| U3-U4 | 62.3970 | 62.4460 | 110.0420 | 110.7210 |
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 | 59391.16985013 |
| 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 | 56.462 |
| HIERARCH ESO ISS PBL12 END | 56.428 |
| HIERARCH ESO ISS PBLA12 START | 25.4 |
| HIERARCH ESO ISS PBLA12 END | 26.0 |
| HIERARCH ESO ISS PBL13 START | 102.294 |
| HIERARCH ESO ISS PBL13 END | 102.225 |
| HIERARCH ESO ISS PBLA13 START | 31.8 |
| HIERARCH ESO ISS PBLA13 END | 32.4 |
| HIERARCH ESO ISS PBL14 START | 130.189 |
| HIERARCH ESO ISS PBL14 END | 130.122 |
| HIERARCH ESO ISS PBLA14 START | 59.745 |
| HIERARCH ESO ISS PBLA14 END | 60.424 |
| HIERARCH ESO ISS PBL23 START | 46.596 |
| HIERARCH ESO ISS PBL23 END | 46.563 |
| HIERARCH ESO ISS PBLA23 START | 39.4 |
| HIERARCH ESO ISS PBLA23 END | 40.1 |
| HIERARCH ESO ISS PBL24 START | 89.423 |
| HIERARCH ESO ISS PBL24 END | 89.424 |
| HIERARCH ESO ISS PBLA24 START | 80.605 |
| HIERARCH ESO ISS PBLA24 END | 81.3 |
| HIERARCH ESO ISS PBL34 START | 62.397 |
| HIERARCH ESO ISS PBL34 END | 62.446 |
| HIERARCH ESO ISS PBLA34 START | 110.042 |
| HIERARCH ESO ISS PBLA34 END | 110.721 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006638 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003672 |
| HIERARCH ESO ISS AMBI TEMP | 8.97 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |