Exposure
- ID
- GRAVI.2021-06-26T02:21:19.791_2
- Header ID
- GRAVI.2021-06-26T02:21:19.791
- Date updated
- 2021-06-26 02:35:14 UTC+0000
- Release date
- 2022-06-26 02:35:13 UTC+0000
- UTC Start
- 2021-06-26 02:21:19.791
- UTC End
- 2021-06-26 02:26:39.791
- MJD Start
- 59391.09814573
- MJD End
- 59391.1018494337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042695
- Ambient temperature (°C)
- 9.3
- Seeing (arcsec)
- 0.44
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 | 56.4170 | 56.4360 | 12.6000 | 13.4000 |
| U1-U3 | 101.7400 | 101.8210 | 18.4000 | 19.2000 |
| U1-U4 | 124.5430 | 125.1200 | 45.0910 | 46.0440 |
| U2-U3 | 45.9690 | 46.0430 | 25.5000 | 26.4000 |
| U2-U4 | 82.7240 | 83.3900 | 66.5930 | 67.4810 |
| U3-U4 | 56.7630 | 57.3120 | 98.7360 | 99.3410 |
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 | 59391.09814573 |
| 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 | 56.417 |
| HIERARCH ESO ISS PBL12 END | 56.436 |
| HIERARCH ESO ISS PBLA12 START | 12.6 |
| HIERARCH ESO ISS PBLA12 END | 13.4 |
| HIERARCH ESO ISS PBL13 START | 101.74 |
| HIERARCH ESO ISS PBL13 END | 101.821 |
| HIERARCH ESO ISS PBLA13 START | 18.4 |
| HIERARCH ESO ISS PBLA13 END | 19.2 |
| HIERARCH ESO ISS PBL14 START | 124.543 |
| HIERARCH ESO ISS PBL14 END | 125.12 |
| HIERARCH ESO ISS PBLA14 START | 45.091 |
| HIERARCH ESO ISS PBLA14 END | 46.044 |
| HIERARCH ESO ISS PBL23 START | 45.969 |
| HIERARCH ESO ISS PBL23 END | 46.043 |
| HIERARCH ESO ISS PBLA23 START | 25.5 |
| HIERARCH ESO ISS PBLA23 END | 26.4 |
| HIERARCH ESO ISS PBL24 START | 82.724 |
| HIERARCH ESO ISS PBL24 END | 83.39 |
| HIERARCH ESO ISS PBLA24 START | 66.593 |
| HIERARCH ESO ISS PBLA24 END | 67.481 |
| HIERARCH ESO ISS PBL34 START | 56.763 |
| HIERARCH ESO ISS PBL34 END | 57.312 |
| HIERARCH ESO ISS PBLA34 START | 98.736 |
| HIERARCH ESO ISS PBLA34 END | 99.341 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005245 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003294 |
| HIERARCH ESO ISS AMBI TEMP | 9.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |