Exposure
- ID
- GRAVI.2024-05-30T03:24:53.650_2
- Header ID
- GRAVI.2024-05-30T03:24:53.650
- Date updated
- 2024-05-30 03:40:26 UTC+0000
- Release date
- 2025-05-30 03:40:26 UTC+0000
- UTC Start
- 2024-05-30 03:24:53.650
- UTC End
- 2024-05-30 03:30:53.650
- MJD Start
- 60460.14228761
- MJD End
- 60460.1464542767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007076
- Ambient temperature (°C)
- 16.39
- Seeing (arcsec)
- 0.7
Observation
- ID
- 59446
- Category
- science
- Program ID
- 113.268P.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 44071
- Name
- IRS16NW
- RA
- 266.416845833333
- DEC
- -29.0075221944444
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 | 56.2890 | 56.3060 | 6.7000 | 7.7000 |
| U1-U3 | 101.1510 | 101.2360 | 12.1000 | 13.1000 |
| U1-U4 | 119.8580 | 120.6200 | 37.5120 | 38.7600 |
| U2-U3 | 45.4120 | 45.4980 | 18.7000 | 19.8000 |
| U2-U4 | 77.0770 | 78.0300 | 59.4540 | 60.6450 |
| U3-U4 | 51.9380 | 52.7770 | 94.2370 | 94.9490 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60460.14228761 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416851 |
| DEC | -29.00733 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.289 |
| HIERARCH ESO ISS PBL12 END | 56.306 |
| HIERARCH ESO ISS PBLA12 START | 6.7 |
| HIERARCH ESO ISS PBLA12 END | 7.7 |
| HIERARCH ESO ISS PBL13 START | 101.151 |
| HIERARCH ESO ISS PBL13 END | 101.236 |
| HIERARCH ESO ISS PBLA13 START | 12.1 |
| HIERARCH ESO ISS PBLA13 END | 13.1 |
| HIERARCH ESO ISS PBL14 START | 119.858 |
| HIERARCH ESO ISS PBL14 END | 120.62 |
| HIERARCH ESO ISS PBLA14 START | 37.512 |
| HIERARCH ESO ISS PBLA14 END | 38.76 |
| HIERARCH ESO ISS PBL23 START | 45.412 |
| HIERARCH ESO ISS PBL23 END | 45.498 |
| HIERARCH ESO ISS PBLA23 START | 18.7 |
| HIERARCH ESO ISS PBLA23 END | 19.8 |
| HIERARCH ESO ISS PBL24 START | 77.077 |
| HIERARCH ESO ISS PBL24 END | 78.03 |
| HIERARCH ESO ISS PBLA24 START | 59.454 |
| HIERARCH ESO ISS PBLA24 END | 60.645 |
| HIERARCH ESO ISS PBL34 START | 51.938 |
| HIERARCH ESO ISS PBL34 END | 52.777 |
| HIERARCH ESO ISS PBLA34 START | 94.237 |
| HIERARCH ESO ISS PBLA34 END | 94.949 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00696 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007192 |
| HIERARCH ESO ISS AMBI TEMP | 16.39 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0430 |
| HIERARCH ESO FT ROBJ DELTA | -290027.0799 |