Exposure
- ID
- GRAVI.2021-05-31T06:28:53.038_2
- Header ID
- GRAVI.2021-05-31T06:28:53.038
- Date updated
- 2021-05-31 06:40:59 UTC+0000
- Release date
- 2022-05-31 06:40:59 UTC+0000
- UTC Start
- 2021-05-31 06:28:53.038
- UTC End
- 2021-05-31 06:34:13.038
- MJD Start
- 59365.27005831
- MJD End
- 59365.2737620137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002806
- Ambient temperature (°C)
- 10.32
- Seeing (arcsec)
- 1.045
Observation
- ID
- 47463
- Category
- science
- Program ID
- 105.20B2.002
- 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 | 56.0570 | 55.9710 | 29.8000 | 30.3000 |
| U1-U3 | 101.3980 | 101.2000 | 36.1000 | 36.7000 |
| U1-U4 | 128.5460 | 128.1090 | 64.5010 | 65.1070 |
| U2-U3 | 46.1110 | 45.9980 | 43.9000 | 44.5000 |
| U2-U4 | 88.4450 | 88.1350 | 85.6690 | 86.3520 |
| U3-U4 | 62.1610 | 62.0260 | 115.2730 | 116.0290 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59365.27005831 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| DEC | -29.00714 |
| 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 | 56.057 |
| HIERARCH ESO ISS PBL12 END | 55.971 |
| HIERARCH ESO ISS PBLA12 START | 29.8 |
| HIERARCH ESO ISS PBLA12 END | 30.3 |
| HIERARCH ESO ISS PBL13 START | 101.398 |
| HIERARCH ESO ISS PBL13 END | 101.2 |
| HIERARCH ESO ISS PBLA13 START | 36.1 |
| HIERARCH ESO ISS PBLA13 END | 36.7 |
| HIERARCH ESO ISS PBL14 START | 128.546 |
| HIERARCH ESO ISS PBL14 END | 128.109 |
| HIERARCH ESO ISS PBLA14 START | 64.501 |
| HIERARCH ESO ISS PBLA14 END | 65.107 |
| HIERARCH ESO ISS PBL23 START | 46.111 |
| HIERARCH ESO ISS PBL23 END | 45.998 |
| HIERARCH ESO ISS PBLA23 START | 43.9 |
| HIERARCH ESO ISS PBLA23 END | 44.5 |
| HIERARCH ESO ISS PBL24 START | 88.445 |
| HIERARCH ESO ISS PBL24 END | 88.135 |
| HIERARCH ESO ISS PBLA24 START | 85.669 |
| HIERARCH ESO ISS PBLA24 END | 86.352 |
| HIERARCH ESO ISS PBL34 START | 62.161 |
| HIERARCH ESO ISS PBL34 END | 62.026 |
| HIERARCH ESO ISS PBLA34 START | 115.273 |
| HIERARCH ESO ISS PBLA34 END | 116.029 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003092 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00252 |
| HIERARCH ESO ISS AMBI TEMP | 10.32 |
| HIERARCH ESO ISS AMBI FWHM START | 1.08 |
| HIERARCH ESO ISS AMBI FWHM END | 1.01 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |