Exposure
- ID
- GRAVI.2024-05-30T06:03:39.053_2
- Header ID
- GRAVI.2024-05-30T06:03:39.053
- Date updated
- 2024-05-30 06:20:28 UTC+0000
- Release date
- 2025-05-30 06:20:27 UTC+0000
- UTC Start
- 2024-05-30 06:03:39.053
- UTC End
- 2024-05-30 06:09:39.053
- MJD Start
- 60460.25253534
- MJD End
- 60460.2567020067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041245
- Ambient temperature (°C)
- 15.74
- Seeing (arcsec)
- 0.575
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 | 56.3690 | 56.3130 | 27.0000 | 27.6000 |
| U1-U3 | 102.0990 | 101.9770 | 33.3000 | 34.0000 |
| U1-U4 | 129.9440 | 129.7330 | 61.4160 | 62.1420 |
| U2-U3 | 46.4990 | 46.4340 | 41.0000 | 41.7000 |
| U2-U4 | 89.3530 | 89.2370 | 82.3290 | 83.0950 |
| U3-U4 | 62.4710 | 62.4540 | 111.7470 | 112.5290 |
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 | 60460.25253534 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416893 |
| DEC | -29.00732 |
| 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 | 56.369 |
| HIERARCH ESO ISS PBL12 END | 56.313 |
| HIERARCH ESO ISS PBLA12 START | 27.0 |
| HIERARCH ESO ISS PBLA12 END | 27.6 |
| HIERARCH ESO ISS PBL13 START | 102.099 |
| HIERARCH ESO ISS PBL13 END | 101.977 |
| HIERARCH ESO ISS PBLA13 START | 33.3 |
| HIERARCH ESO ISS PBLA13 END | 34.0 |
| HIERARCH ESO ISS PBL14 START | 129.944 |
| HIERARCH ESO ISS PBL14 END | 129.733 |
| HIERARCH ESO ISS PBLA14 START | 61.416 |
| HIERARCH ESO ISS PBLA14 END | 62.142 |
| HIERARCH ESO ISS PBL23 START | 46.499 |
| HIERARCH ESO ISS PBL23 END | 46.434 |
| HIERARCH ESO ISS PBLA23 START | 41.0 |
| HIERARCH ESO ISS PBLA23 END | 41.7 |
| HIERARCH ESO ISS PBL24 START | 89.353 |
| HIERARCH ESO ISS PBL24 END | 89.237 |
| HIERARCH ESO ISS PBLA24 START | 82.329 |
| HIERARCH ESO ISS PBLA24 END | 83.095 |
| HIERARCH ESO ISS PBL34 START | 62.471 |
| HIERARCH ESO ISS PBL34 END | 62.454 |
| HIERARCH ESO ISS PBLA34 START | 111.747 |
| HIERARCH ESO ISS PBLA34 END | 112.529 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003952 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004297 |
| HIERARCH ESO ISS AMBI TEMP | 15.74 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0430 |
| HIERARCH ESO FT ROBJ DELTA | -290027.0799 |